I________my room every day. But now I _________.
A. clean; am reading B. am cleaning; am reading C. clean; read
--You should_______ this book before Friday, or you should renew (续借) it.
--OK.
A. give back B. give away C. give up
--Would you like tea or coffee?
--________ ,thanks. It's hard for me to fall asleep at night after drinking them.
A. Both B. Either C. Neither
--May I put my bag here?
--No, you________. You should put it up on the shelf
A. needn't B. mustn't C. won't
--Dad, can I go out to play with my friends now?'
--Not until your homework__________ .
A. will finish B. finishes C. is finished
--Did the medicine have a good __________?
--Yes, I could sleep well last night.
A. effort B. effect C. affect