Giải mình hộ mấy câu này gấp !! Giải thích sao chọn câu đó !! Tks !!! 1.I first ______ him at my sister's birthday party and we've been friends ever since. A. have met B. meet C. had meet D. met. 2.Tim _______in three movies already. I think he'll be a star some day. A. has appeared B. had appeared C. was appearing D. is appearing 3.Tom _______to Mary when I saw him. A. talks B. talked C. will talk D. was talking 4.I______to Mary when she comes here tomorrow. A. talk B. talked C. will talk D. was talking 5.I asked Mark if he____ his homework yet. A. does B. did C. had done D. has done 6.We____________this course by the end of next year. A. were finishing B. have finished C. had finished D. will have finished 7.Oh no ! I don't believe it ! My purse__________ ! A. is stolen B. has been stolen C. was stolen D. is being stolen 8.Don't worry ! By the time you arrive tomorrow, we _______the work. A. would finish B. will finish C. have finished D. will have finished 9.As soon as you _______all your homework, you will be allowed to go out. A. had finished B. finished C. have finished D. are finishing