Để thêm một hàng nằm bên trên cửa hàng chứa ô có con trỏ soạn thảo ta được thực hiện lệnh nào trong các lệnh

Cho tứ giác ABCD với AD = BC Gọi M N P Q là trung điểm các đoạn thẳng AB BC CD DA. chứng minh MP=NQ

Làm hộ tôi bài 1,cảm ơn rất nhiều

Mọi ng giúp mik giải bài này với . Mik đag cần gấp

77777777777777777 25. That There This It Đề ở câu trước an

1. Robert________ tomorrow morning on the 10:30 train. a. arrived b. is arriving c. has arrived d. would arrive 2. Look! The bus________ a. left b. has left c. leaves d. is leaving 3. Mike________ one hour ago. a. phoned b. was phoning c. had phoned d. has phoned 4. I shall be glad when he________ a. had gone b. did go c. went d. had gone 5. Ask her to come ad see me when she ________ her work. a. finish b. has finished c. finished d. finishing 6. After you finish your work, you________ a break. a. should take b. have taken c. might have taken d. takes 7. Oil________ if you pour it on water a. floated b. floats c. will be floated d. float 8. When he returned home, he found the door________. a. unlocking b. unlocked c. to be unlocked d. have unlocked 9. That dancing club________ north of the city a. lays b. lies c. locates d. lain 10. Almost everyone________ for home by the time we arrived. a. leave b. left c. leaves d. had left 11. By the age of 25, he ________ two famous novels. a. wrote b. writes c. has written d. had written 12. While her husband was in the army, Janet________ to him twice a week. a. was writing b. wrote c. was written d. had written 13. I couldn't cut the grass because the machine_______ a few days previously. a. broken down b. has been broken c. had broke down d. breaks down 14. We ________English this time last week. a. learned b. were learning c. have learned d. had learned 15. Is it raining? - No, it isn't but the ground is wet. It________ a. rained b. had rained c. has rained d. has been raining 16. Her family________ to America before 1975. a. went b. have gone c. had gone d. would go 17. When I arrived at the party, Martha________ home already. a. went b. have gone c. had gone d. would go 18. Henry________ for 10 years when he finally gave it up. a. has smoked b. has been smokingc. had smoked d. had been smoking' 19. Yesterday morning I got up and looked out of the window. The sun was shinning but the ground was very wet. It________ a. rained b. has been rainingc. had rained d. had been raining 20. We ________ our examination next month. a. have b. shall have c. will have had d. will be having 21. Look that those black clouds! It________ a. is going to rain b. will rain c. would rain d. can rain 22. We________ English this time next Monday. a. learn b. will learn c. are learning d. will be learning 23. We________ this course before the final examination. a. are going to finish b. have finished c. will finish d. will have finished 24. I________ "Chicken soup for the soul" but I haven’t finished it yet. a. read b. am reading c. have been reading d. was reading 25. Alan took a photograph of Sandra while she________ a. didn't look b. wasn't looking c. hasn't looked d.. hadn't looked 26. I ________ my key. Can you help me look for it? a. lose b. lost c. had lost d. have lost 27. Last night Tine________ in bed when suddenly she heard a scream. a. read b. was reading c. had read d. had read 28. We________ a part next week. Would you like to come?

Giúp mình bài 2.2 ạ cảm ơn rất nhiều

Thực hiện phép tính sau: 3x^4-5x^2-x+1: x^2+2x-5

tìm x `a) 49 + |-x + 25| = -3` tính nhanh `b) - (-257 + 493 – 112) + (-57 – 117) – (112 + 345)`

6666666666666666666 22. Sports Cartoon Plays News