6. I wish I__________ a good teacher in the future. A. will become B. can become C. would become D. had become 7. The entrance examination will be held__________ June 15th 2021. A. in B. on C. at D. to 8. Have you ever__________ a letter to the local authorities to complain about the public transport in your town? A. wrote B. writing C. written D. write 9. There have been many UFOs__________ reported. A. sightings B. signs C. signals D. sights 10. Your sister doesn't work in a foreign company, __________? (câu hỏi đuôi) A. is she B. does she C. was she D. did she 11. Nam: “Let's go to the beach this weekend.” - Son: “__________” A. You're welcome. B. That's a good idea. C. Have a good trip. D. It's my pleasure. 12. If I__________ time, I will write to you. A. to have B. will have C. had D. have 13. I was tired. __________, I went to bed early last night. A. However B. Therefore C. Because D. So 14. Where are the photos__________ were taken at the Christmas party? A. who B. which C. whom D. whose 15. The thing I like best about him is his__________ of humor. A. sense B. kind C. mean D. form 16. He asked me if__________ to his birthday party the following night. A. I come B. I would come C. I came D. I will come 17. Thousands of buildings in Japan__________ when the earthquake happened in 2014. A. are destroyed B. was destroyed C. were destroyed D. destroyed 18. I suggest that we__________ some money for poor children. A. raise B. to raise C. raised D. raising 19. If you explained it to him more slowly, he__________ it. A. understands B. would understand C. understood D. will understand 20. Many students enjoy__________ part in outdoor activities. A. take B. to take C. taking D. took 21. I think I've lost my pen. I've__________ it everywhere but I can't find it. A. looked for B. looked in C. looked on D. looked at 22. Mary: “You look great in this new dress!” - Daisy: “__________” A. With pleasure B. Not at all C. I'm glad you like it D. Don't say anything about it 23. We are saving money__________ we want to buy a new house. A. so B. because C. if D. although Giải thích cấu trúc câu và tại sao chọn đáp án đó