Jim is ______excellent runner. He often comes _____first in the race.
--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 shelfA. 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