V/ Choose the best answers: 1. Did you (go / going / goes / went) to Nam’s birthday? –Yes, I (don’t / do / did / didn’t ). 2. How ( many / much / often /old ) water does Tom drink everyday? He (drank / drink / drinks / drunk) four bottles of water. 3. What are you doing? I’m (reading / watering / surfing / listening) the Internet. 4. What (is / was / will / were ) the weather be like tomorrow? It’ll (be/ to be / is / am) sunny and hot. 5. (What / Why / Where /Who ) do you learning English? Beacause I want to (watch / watches / watching / watched) English cartoons on TV. 6. We went to Phu Quoc Island (on / in / by / from) ship. 7. What are you reading? I’m reading (an / a / two /three) amazing story. 8. Who is the main (character/ characters / chiracter / chasacter)? 9. What’s the matter with (her/ herself / him / himself )? (They / We / I / He) has a sore throat 10. What does she often (does / did /doing /do) in her free time? She goes (jogging / football / skipping / badminton). 11.(What/ Where) are you doing, Linda? I’m (surfing/ doing) the Internet. 12.How (often/ old) does Nam study with his partner? He often (studys/ studies) with his partner everyday. 13.Where (do/ did) you go last summer holiday? I went (in/ to) Phu Quoc Island. 14. How did you (get/ got) there? I went (from/ by) ship. 15. Did Mary go to (Nam/ Nam’s) birthday party? Yes, she ( did/ didn’t). 16.What did she (have/ do) at Nam’s birthday party? She (have / had) nice food and drink. 17.Where (was/ were) you yesterday? I was (at/ in) the seaside. 18.They took (part/ parts) in the festival on Sunday. 19.We (enjoyed/ enjoys) the food and drink at the party yesterday. 20.I want to (invite/ invited) Tony and Phong to my birthday party.

Cho tam giác ABC vuông tại A (AB > AC). Tia phân giác góc ACB cắt cạnh AB tại D. Trên cạnh BC lấy điểm E sao cho CE = CA. a) Cho biết góc ACB =50 . Tính số đo góc ABC b) Chứng minh rằng tam giác CDA = tam giác CDE c) Vẽ đường thẳng d vuông góc với AC tại C. Qua A vẽ đường thẳng song song với CD cắt d ở M. Chứng minh rằng AM = CD. d) Qua B vẽ đường thẳng vuông góc với CD tại N và cắt AC ở K. Chứng minh rằng ba điểm K, D, E thẳng hàng

Câu này đáp án nào v mn, giải thích cho mk luô nha(đừng chép trên mạng)

số layer là j? ví dụ của số layer?

1.I ……….a lot of money now, I …………..a new car. A. have /will buy B. have / would buy C. had/ will buy D. had/ would buy. 2.If I ……………you, I …………….do that. A. am/ will B. were /would C. were/ will D. had been/ would. 3.if I were offered the job, I think I ………. it. A. take B. will take C. would take D. would have taken. 4.I would be very surprised if he…………….. A. refuses B. refused C. had refused D. would refuse. 5.Many people would be out of work if that factory………..down. A. closes B. had closed C. closed D. would close. 6If she sold her car, she ………… much money. A. gets b. would get c. will get d. would have got. 7They would be disappointed if we……………. a. hadn’t come b. wouldn’t come c. don’t come d. didn’t come. 8Would John be angry if I ……. ……his bicycle without asking? a. take b. took c. had taken d. would take. 9She ……….terrible upset if I lost this ring. a. will be b. would be c. were d. had been. 10If someone…………in here with a gun, I would be very frightened. a. would walk b. walks c. had walked d. walked. 11What would happen if you ……………..to work tomorrow? a. don’t go b. didn’t go c. won’t go d. wouldn’t go. 12We ‘ll get wet if we ………….out. a. go b. did go c. went d. had gone. 13If I go shopping, I ………some food. a. buy b. will buy c. would buy d. would have bought. 14If I find it, I ………you. a. will tell b. would tell c. had told d. told. 15What would you do if you……………a million dollars? a. would win b. win c. had won d. won.

-2x - (-17) = 15 tìm các số nguyên x biết

viết đoạn văn quy nạp phân tích khung cảnh đoàn thuyền ra khơi đánh cá trong bài quê hương

Cách viết nào sau đây sai N ∈ Z 5 ∈ Z -9 ∈ Z 0 ∈ Z

2. Để thêm một mục mới vào danh sách liệt kê dạng số thứ tự, ta tiến hành các thao tác nào?

a)Phân số không bằng phân số -2 phần 9 là B)Sắp xếp các số nguyên 7;-12;4;9;0;-3 theo thứ tự tăng dần