She kept _________ hard at her physics and finally caught up with us.
A. work B. worked C. working D. to work
--- ________ you play international chess?
--- No, I can’t. But I can play Chinese chess.
A. Must B. Need C. May D. Can
--- __________ are all these together?
--- 425 yuan.
A. How much B. How many C. How long D. How often
Spring is coming and there ________ flowers ever
ywhere.
A. is B. are C. was D. were
--- Can you come and play with us this evening?
--- I’d love to, ___________I have a lot of homework to do.
A. and B. so C. or D. but
The meeting will begin ________ 4:30 this afternoon. Don’t forget it.
A. onB. inC. at D. for
