Một người chèo thuyền tại M và một ca nô tại N khởi hành cùng một lúc. Nếu đi cùng chiều theo hướng từ N đến M, ca nô sẽ đuổi kịp người chèo thuyền sau 1 giờ 45 phút ; nếu đi ngược chiều, ca nô sẽ gặp người chèo thuyền sau 30 phút. Hỏi vận tốc của ca nô gấp bao nhiêu lần vận tốc của người chèo thuyền? Biết rằng quãng đường MN có chiều dài 21km.
. The wall is wet. It ______. A. has just been repainted B. is repainted C. is being repainted D. will be repainted 2. It’s nice I am now in London again. This is the second time I _______ there. A. will be B. would be C. was D. have been 3: We ______ in Newcastle for three years now and like it a lot. A. have lived B. had lived C. live D. lives 4. The number of students ________ very hard recently . A. have worked B. has worked C. have been working D. has been working 5. Everyone is aware that it will be much safer to ______ walkways and underpass systems for pedestrians. A. have elevated B. be elevated C. elevate D. Elevating She me the same question three times since yesterday. A. asks B. asked C. have asked D. . has asked 6.Three new buildings _________ in the village recently. A. have been built B. were built C. have built D. built 7.This is the first time I __________ the experiment on plant breeding. A. did B. do C. would do D. have done 8 My sister _________in the bank for five years before she was sent to Da Nang. A. has worked B. was working C. had worked D. works 9.Conical hat making ________ a traditional craft for hundreds of years. A. is B. are C. has been D. have been 10. Gathering of over 20 people ____________ in Vietnam since the new wave of the pandemic. A. has been forbidden B. has forbidden C. forbids D. is forbidden 12. This is the first time I ______ this Shakespeare’s novel. A. have read B. read C. reading D. to read 13. We spent a year building this house and we ________ it recently. A. have finished B. finished C. had finished D. finish 14. This is the first time John ____ Chinese food. A. has eaten B. eats C. ate D. is eating 15. Everything is going well. We ………. any problems with our business so far. A. haven’t had B. don’t have C. didn’t have D. won’t have 16.He………..his homework before he went out last night. A. finished B. finish C. had finished D. finishing 17. By the time Alex finished his studies, he ________ in London for over eight years. A. was B. had been C. has been D. was living 18. He .........................the house by the time his mother came back. A. had cleaned B. had clean C. has cleaned D. cleaned 19. My father had already cooked the dinner when we ……..…. home. A. to come B. came C. had come D. were coming 20. After I ______ lunch, I looked for my bag yesterday. A. had had B. have had C. has had D. had 21. My sister ..............in the bank for five years before she was sent to Da Nang. A. works B. was working C. has worked D. had worked 22. She said to me that she __________ to me the Sunday before. A. had written B. has written C. was writing D. wrote 23. The building ………………before they went abroad. A. had sold B. has been sold C. was sold D. had been sold 24. After he ______ his homework, he went to bed. A. had finished B. finished C. has finished D. finishes 25. After they ____ their breakfast, they ____ shopping yesterday. A. had had/ went B. had had/ go C. had/ had gone D. have/go 26. When we arrived at the station, the train ______. A, would go B. . had gone C. went D. has gone 27. Before you asked yesterday, the letter ________ already. A. had been written B. was written C. had written D. has been written 28. Mai didn’t hear the phone. She _______. A. was sleeping B. Sleeps C. Slept D.used to sleep 29.She often ____________her children by telling them stories before they go to bed. A. entertain B. entertains C. entertainment D. entertainer 30. I ______ home until I finish today’s work. A. won’t go B. haven’t gone C. didn’t go D. don’t go 31.When he came, we______dinner. A. will have B. had C. were having D. had had
Because it rained heavily, the road in front of my house was flooded ->because of ....
Giải giúp em vs ạ thì quá khứ đơn và quá khứ hoàn thành ạ
Mn có thể giúp em không ạ em đang cần gấp, em sẽ vote 5 sao ạ, cảm ơn mn
help meeee ,pleaseeeeeeeeeeeeeeeeeeee
Helpppp tuiiiiiiii vsssss mnggggg ơiiiiii
Mấy bạn giải cho mình với nhá, nhanh lên nhá, cho mình cảm ơn. Đề là xác định ô trống đó cần gì rồi hãy chi nó nha 11. _______, her sister passed the driving test. (luck) 12.My uncle often spends his free time doing volunteer at a local _______. (orphan) 13.I love the ________ of the summer evenings in the countryside. (peaceful) 14.My father is loved by his colleagues because of his sense of _______. (humorous) 15.A child whose parents have died is called an ________. (orphanage) 16.An _______ is a home for children whose parents were dead. (orphan) 17.I find him quite ________ in class. (reserve) 18.I think learning a language is very ________. (interest) 19. She gets ________ when people smoke in the restaurants. (annoy) 20.It was ________ that she didn’t go to school. (surprise) 21.He always does his homework ___________. (careful) 22.I can do all of these exercises _________. (ease) 23.Her sister plays the violin very __________. (beautiful) 24. Paul works very ________ in his new job. (hard) 25. She looks _________ because she gets good mark. (happiness) 26.I find it ________ for me to answer her question. (difficulty)
ai vẽ được asta hắc hóa 100% trong black clover cho 20đ 5sao 1 cảm ơn
Làm nhanh giúp mình với các bạn, please
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến