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A. tall and strong B. short and slim C. big and dirty

A. Hi, Miss Fang. B. Yes, I am. C. Goodbye.

A. must B. may C. can D. need

一No, you . You can wait till the rain stops.

A. don't have to B. couldn't C. can't D. shouldn't

A. No, I’m not. B. No, I can’t. C. No, I don’t.

A. is climbing B. were climbing

C. was climbing D. climbing

A. by B. with C. about D. for

A. for B. in C. of D. at

A. swims swim B. swims swimming

C. swimming swim D. swim swimming.

A. understand B. write them down

C. to understand D. and write