---What was your sister doing at this time yesterday?
---She was reading a magazine _______I was writing an e-mail at home.
A. as soon as B. after C. until D. while
When I came into the room, I saw a cat ______ under the table.
A. to lie B. lies C. to lying D. lying
Peter ________ swimming at 8:30 yesterday evening.
A. is practicing B. practices
C. was practicing D. will practice
There is some rubbish on the floor, please ________.
A. take it out B. take out it
C. take them out D. take out them
---You look too tired. Why not ________ a rest?
---Sounds good.
A. stop having B. to stop having
C. stop to have D. to stop to have
________I don’t have much money, ________I live a happy life.
A. Because，so B. Although, but
C. Although, 不填 D. Though, but
