Mọi người giúp mình 2 câu này với

Dung dịch H2SO4 loãng có thể tác dụng đc với KL trong dãy nào sau đây? A. Mg Fe Al B. Fe ZN Ag C. Mg Zn Hg D. Al Cu Mg

IV. Use the correct form of verbs in brackets. 1. In all the world, there (be) __________ only 14 mountains that (reach) __________above 8,000 meters. 2. He sometimes (come) __________ to see his parents. 3. When I (come) __________, she (leave) __________for Dalat ten minutes ago. 4. My grandfather never (fly) __________ in an airplane, and he has no intention of ever doing so. 5. We just (decide) __________ that we (undertake) the job. 6. He told me that he (take) __________ a trip to California the following week. 7. I knew that this road (be) __________ too narrow. 8. Right now I (attend) __________ class. Yesterday at this time I (attend) __________class. 9. The traffic was very heavy. By the time I (get) __________to Mary’s party, everyone already (arrive) 10. I (visit) __________ my uncle’s home many times when I (be) __________ a child. 11. That book (lie) __________ on the table for week. You (not read) __________ it yet ? 12. David (wash) __________ his hands. He just (repair) __________ the TV set. 13. You (be) __________here before? Yes, I (spend) __________ my holidays here last year. 14. We never (meet) __________ him. We don’t know what he (look) __________ like. 15. The car (be) __________ ready for him by the time he (come) __________tomorrow. 16. On arriving at home I (find) __________that she just (leave) __________a few minutes before. 17. Last night we (watch) __________TV when the power (fail) __________. 18. London (change) a lot since we first (come) __________ to live here. 19. While we (talk) __________on the phone the children (start) __________fighting and (break) __________a window 20. I (spend) __________ a lot of time travelling since I (get) __________this new job.

Chứng minh: Hình thang có 2 đường chéo bằng nhau là hthang cân. C/m: giùm mình gấp nhé. Vẽ hình luôn nha

ai lm đc thì tui vote 5sao nhaaaaaa

11> He always tries ............................. ...................... there .......................... her. A) delaying/ coming/ meet B) to delay/ to come/ to meet C) delaying/ come/ meeting D) to delay/ coming/ to meet 12> There is nothing ............................ this situation to her. A) hide B) to hide C) hiding D) hidden 13> I regret ............................... able to attend your birthday party yesterday. A) not to be B) to not be C) not be D) not being 14> Thank you for ........................ me such a warm message. A) send B) to send C) sending D) sent 15> She detests ......................... all day with strangers. A) chatting B) to chat C) to chatting D) chat III. Put the verbs in correct forms 1. He (clean) the room last week. 2. They (play) tennis in the yard last week. 3. He (learn) the lesson right now. 4. We (go) to HCM next week. 5. I (start ) my work in 1998. 6. His wife often (drink) coffee for breakfast. 7. He (write) to the girl when I (come) yesterday. 8. She (plant) the tree two weeks ago. 9. I (wacth) the film after I (finish) yesterday. 10. She usually (cycle) to school. 11. We (finish) the work before we take a rest. 12. Lan (not wacth) the film yet. 13. She (be) the student scince last week. 14. He just (write) the letter. 15. At this time yesterday we (do) the garden. 16. My sister usually (do) morning exercise. 17. When I (go) home yesterday, he (sleep) soundly. 18. We (learn) English for 3 year. 19. Next year I (learn) in HCM city. 20. He (clean) the room last week. 21. They (play) tennis in the yard last week. 22. He (learn) the lesson right now. 23. We (go) to HCM next week. 24. I (start ) my work in 1998. 25. His wife often (drink) coffee for breakfast. 26. He (write) to the girl when I (come) yesterday. 27. She (plant) the tree two weeks ago. 28. I (wacth) the film after I (finish) yesterday. 29. She usually (cycle) to school. 30. We (finish) the work before we take a rest. 31. Lan (not wacth) the film yet. 32. She (be) the student scince last week. 33. He just (write) the letter. 34. At this time yesterday we (do) the garden. 35. My sister usually (do) morning exercise. 36. When I (go) home yesterday, he (sleep) soundly. 37. We (learn) English for 3 year. 38. Next year I (learn) in HCM city.

I'd like to buy the jacket _____ in the window, please. a)displayed b)displaying

100. I remember ................................ a toy car on my fifth birthday. A) to be given B) being given C) to give D) giving 101. They always try .................. ................ the bridge as they promised before. A) to postpone/ to build B) postpone/ build C) to postpone/ building D) postponing/ built 102. I can’t help .......................... for her acceptance. A) to wait B) waiting C) wait D) waited 103. Don’t be afraid of .......................... that animal. A) touch B) touches C) touching D) to touch 104. I am accustomed to ......................... on my own. A) living B) to live C) live D) lives 105. They are looking forward to ...................... your news. A) hear B) to hear C) hearing D) heard 106. American women have got used to .................independently recently. A) live B) to live C) living D) lives 107. We won’t let you............... what we are going to do with him. A) know B) to know C) knowing D) known Exercises 2: 1> Mary agreed ........................ to the circus with Ann. A) went B) to go C) going D) goes 2> Mike is considering ................. a new car. A) bought B) to buy C) buying D) buys 3> It’s no use ................... his opinion. A) asking B) to ask C) ask D) asks 4> Mrs. Green prefers ................... TV to ................ to the cinema. A) watching/ go B) to watch/ going C) watching/ going D) watches/ go 5> She expects .................. him tomorrow, but I look forward to ................... him right away. A) see/ see B) to see/ see C) see/ seeing D) to see/ seeing 6> She should avoid ..................... other people’s feeling. A) hurting B) to hurt C) hurt D) hurts 7> The soil needs ................................. immediately. A) fertilize B) to fertilize C) fertilizing D) fertilized 8> They advised me .......................... a raincoat. A) wear B) to wear C) wearing D) wore 9> You need ...................... these plants as soon as possible. A) fertilize B) to fertilize C) fertilizing D) fertilizes 10> You’d better .................... what you think in front of the conference. A) say B) to say C) saying D) said

các bạn giúp mình với mình cần gấp Nêu cảm nhận của em về nhân vật tôi trong bức tranh của em gái tôi. Từ đó liên hệ với bản thân mình, em rút ra cho bản thân những bài học gì khi chứng kiến người khác có tài năng hơn mình?

Cho hình thang cân ABCD (AB//CD, AB<CD). AD cắt BC tại O. a) C/m tam giác OAB cân. b) Gọi I, J lần lượt là trung điểm của AB và CD. C/m 3 điểm I, J, O thẳng hàng. (mn vẽ lunnn hình nha)