Anna接到客户Hu先生电话，Hu先生要找Tom, Tom正忙。礼貌地回复，Anna应该怎么说：
A: Call back later,bye.
B: I'm really sorry, he's not available at the moment.Can I take a message?
C: Sorry，he is busy. Call back later.
A: Call back later,bye.
B: I'm really sorry, he's not available at the moment.Can I take a message?
C: Sorry，he is busy. Call back later.
举一反三
- A: I’m sorry. He’s not in his office.B: A: Are you sure he will be back soon? B: Would you like to leave it message? C: Can you take a message for me? D: Shall I call him sometime later?
- I'm busy right now. Can you _______ later? A: hang up B: call back C: call through
- I’m very busy ___ present. Can I call you back later? A: with B: in C: about D: at
- —Hello, this is Jack. May I speak to Tom?—Sorry, he isn't in at the moment. If he back, I'll ask him to call you back. A: come B: comes C: have come D: came
- I am afraid she is not ______ at the moment. Can you call back later?