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Hoàn cảnh, t/gian, địa điểm Ban Thường vụ Trung ương Đảng  họp và quyết định phát động toàn quốc kháng chiến?

Help me nhé tks very much câu 38,39,40 gt luôn

1. Young people _________ obey their parents. A. must B. may C. will 2. Laura, you and the kids just have dinner without waiting for me. I ____ work very hard today. A. can B. may C. should 3. I _________ be delighted to show you round the factory. A. ought to B. would C. might 4. Leave early so that you _________ miss the bus. A. didn't B. won't C. shouldn't 5. Jenny's engagement ring is enormous! It _________ have cost a fortune. A. must B. might C. will 6. You _________ to write them today. A. should B. must C. have 7. I hope I _________ find it. A. will B. shall C. must 8. Unless he runs he _________ catch the train. A. will B. mustn't C.won't 9. _________ you be in Rome tonight? A. Will B. May C. Might 10. We _________ have time to help you tomorrow. A. may B. must C. will 11. “_________ you hand me that pair of scissors, please?” A. May B. Will C. Shall 12. Jeanette did very badly on the exam. She _________ harder. A. must have studied B. should have studied C. could have studied 13. He was very lucky when he fell off the ladder. He _________ himself. A. could have hurt B. should have hurt C. must have hurt 14. Marcela didn't come to class yesterday. She _________ an accident. A. has B. have C. had 15. John still hasn't come out. He _________ everything for the trip now. A. must have been preparing B. will be preparing C. must be preparing 16. Thomas received a warning for speeding. He _________ so fast. A. shouldn't have driven B. would have driven C. should have 17. The photos are black. The X-ray at the airport _________ them. A. should have damaged B. would damage C. must have damaged 18. Tom didn't do his homework, so the teacher became very angry. He ______ his homework. A. must have done B. should have done C. might have 19. My car stopped on the high way. It _________ out of gas. A. may run B. may have run C. must be 20. Robert arrived without his book. He _________ it. A. could have lost B. should have lost C. would have lost 21. There are seven ____________ in the world. A. continents B. palaces C. creatures 22. London is one of the most interesting city I ____________. A. ever visit B. have ever visited C. will ever visit 23. He sent me a ____________ of world’s heritages. A. postcard B. tower C. symbol 24. I have never seen such a strange ____________. It has green color and big eyes. A. palace B. continent C. creature 25. Vietnam is located in South East ____________. A. Africa B. America C. Asia 26. It is exciting to explore this ancient ____________. A. palace B. channel C. competition 27. Watching musicals is ____________ in this country.

Một chất điểm chuyển động có phương trình ( là thời gian tính bằng giây). Gia tốc của chuyển động tại thời điểm vận tốc đạt giá trị lớn nhất là ?

Mọi người làm như trong ảnh nha

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Giúp mk hai bài này với ạ mk cảm ơn

Bài 1 a 5/4 của 28 b3/8 của 3,6 tấn c 0,6 của 7/5 m d260% của 25kg e 47% của 20 f 12,5 cuả 50m Bài 2 a) tìm 1 số a biết 5/14 của a bằng 3 b)3/8 của quả dưa nằng 4/2kg.Hỏi quả dưa nặng bn kg c)tìm 1 số biết 3/5 của số đó bằng 8,1 d)tìm 1 số biết 17/7 cuả số đó bằng -34 e) tìm 1 số biết 1,5 % của số đó bằng 13/5 Bài 3 tìm tỉ số giữa a và b a) a=12kg b= 18kg b)a= 1,25 b= 15/16 c)a= 0,75dm b=1,25 cm d)a=3/5 giờ b=20 phút e)a=3/5 dm b=20 lít giúp em với ạ

Complete the sentences with the correct form of can, could, or be able to. 1. It's so amazing. He speak five languages. 2. I looked everywhere for my glasses but I find them anywhere. 3. James speak Japanese when he lived in Japan, but he's forgotten most of it now. 4. I have to go to a business dinner tomorrow night so I come to the party. I am very sorry. 5. This telephone is terrible. I hear you at all.