题目内容
-Hello, is that John?
-__________ a moment. He is coming.
| A.Hold on | B.Hold up | C.Hold on to | D.Waiting. |
A
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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.
|
A.at once |
B.at present |
C.at the end |
D.at first |