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问题 单项选择题

（）to have kept you waiting so long. Oh, never mind. After all, you are here.

A.I am happy 

B.It's a pleasure

C.I am sorry

D.I am welcome

答案

参考答案：C

选择题

If you don’t know the answer, you can say,“__________ ”

A．Thanks a lot.

B．I’m sorry. I don’t know

C．Can you speak English?

D．Excuse me, Can you tell me the way?
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选择题

At last, Lucy make the baby _____ and the baby began to laugh.         [ ]

A. stop crying

B. to stop crying

C. stop to say

D. to stop to cry

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