题目内容
-Hello, is that Mr.Smith?
-Sorry, Mr.Smith isn't in.Shall I put you through to his office?
-No, thanks, anyway.I'll call in later.
-________.
[ ]
A.
Help yourself
B.
At your service
C.
I'm waiting for you
D.
Go ahead
答案:B
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--- Hello! Is Mr. John in the office?
--- Yes. But I’m sorry. He is busy _________ and can’t speak to you.
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A.at once |
B.at present |
C.at the end |
D.at first |