---Could you please clean the living room?
---________. I’m doing my homework.
A. OK B. Sorry, I can’t
C. No problem D. Good idea
They put off ________ the basketball game because of the heavy rain.
A. have B. having
C. to have D. had
________ the passengers, the doctor saved the man’s life in time.
A. Thanks to B. Thank to
C. Thank for D. Thanks for
Our teacher often tells us ________ in the river. It’s dangerous.
A. don’t swim B. to swim
C. not to swim D. not swimming
Liu Ying was very sad. Let’s sing songs to ________.
A. cheer up her B. cheer her up
C. give up her D. give her up
Mrs. Smith used to ________ in the countryside, but she is used to ________ in the city now.
A. live, live B. living, live
C. live, living D. living, living