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一．单选选择： ( ) 1. What ________ Sam _________ the day before _________? A. did, did, yesterday B. did, do ,yesterday C. was, do, last D. was, did, last ( ) 2. When I ________ my classroom, my teacher ________ there. A. got, were B. arrived, was C. got to, was D. reached, were ( ) 3. I hear she is coming to see you ________ A. for three days B. after three days C. three days ago D. in three days ( ) 4. Some young people don't like _______ Peking Opera. A. looking B. watching C. seeing D. listening ( ) 5. The train _______ in five minutes. A. is going to go B. will going C. is going D. goes ( ) 6. The apple tree ________ a lot of apples________. A. there are, on them B. there is, in it C. has, on D. have, in them ( ) 7. Your father is a policeman,_______ he ? A. is B. does C. isn't D. doesn't ( ) 8. Look. There ________ a lot of sheep ______ grass in the field. A. are, eat B. are, eating C. is eat D. is, eating ( ) 9. You _______ worry. Your daughter will be back soon. A. needn't B. mustn't C. can't D. shouldn,t ( ) 10. Mary _______ you free at the morning? Yes，I ______. A. do, do B. do, am C. are, do D. are, am | 
