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