She _________ the house last weekend. * 5 điểm A. was cleaning B. cleans C. clean D. cleaned 2. I _________ a little English before I went to Singapore. * 5 điểm A. study B. had studied C. had study D. have studied 3/ Why _________ you absent yesterday ? * 5 điểm A. did B. are C. was D. were 4/ Who _________ you at the airport last month? * 5 điểm A. meet B. met C. did meet D. were meet 5/ When he _________ , she was cleaning her room. * 5 điểm A. arrives B. arrived C. is arriving D. was arriving 6/ Last night, the police _________ me on my way home. * 5 điểm A. is stopping B. stopped C. stops D. was stopping 7/ Mai and Huong _________ their last summer vacation on the farm. * 5 điểm A. don’t spend B. aren’t spent C. didn’t spend D. weren’t spent 8/ What _________ you _________ last night? * 5 điểm A. do / do B. did / do C. do / did D. were / doing 9/ Before I went to bed, I _________ my teeth. * 5 điểm A. have brushed B. had brushed C. brushed D. brush 10/ The floor _________ with a sheet of plastic five days ago. * 5 điểm A. covered B. was covering C. was covered D. is covered 11/ Before my mother came home, my brother _________ food on the table. * 5 điểm A. had prepared B. have prepared C. prepared D. had prepare 12/ Phong _________ with his friends last month. * 5 điểm A. went fish B. went fished C. went fishing D. went to fish 13/ I watched movie after I _________ my homework. * 5 điểm A. have completed B. had complete C. had completed D. completed 14/ She _________ breakfast at 8.30 yesterday morning. * 5 điểm A. had B. is having C. was having D. has 15/ When I got up, it _________. * 5 điểm A. rains B. rained C. is raining D. was raining 16/ Mrs. Thu _________ the newspaper while her husband was watching T.V. * 5 điểm A. was reading B. is reading C. reads D. read 17/ Mr. Quang fell over while he _________ basketball. * 5 điểm A. was playing B. is playing C. played D. plays 18/ When I came home, everybody _________ the television. * 5 điểm A. watched B. were watching C. was watching D. is watching 19/ My father _________ out when my sister arrived at the zoo . * 5 điểm A. goes B. have gone C. has gone D. had gone 20/ Alice _________ a Vietnamese person until he met Nam. * 5 điểm A. had never met B. have never met C. never met D. never have met