The engineers made two big plans for the dam, ____ was never put in force.

A. as B. more C. most D. very

A. not at all B. just my luck C. never mind D. that's all right

A. That’s very kind of you B. That’s all right

C. It’s isn’t necessary D. I don’t need your help

A. let' s go to see the pandas

B. let' s meet inside the park

C. let' s make it a little earlier

D. let’s go to have some ice cream

A. Let’s B. Why C. What to buy D. Why not

A. Oh, thanks, I'd love to. B. Oh, thank you very much. I'm glad.

C. Yes, I do. It's a pleasure. D. That is all right.

A. look at B. look after C. look for D. look like

A.Hold on，please. B.I'm Miss Fang.

C.Who are you? D.She is at work.

A.who is he B.what he is

C.what's he D.who he is

A. are　　　 　B. is　　　　　　C. have　　　 　D. has