–Could you meet me at the airport?--I’d like to but I’m afraid I a very important meeting

问题补充：

–Could you meet me at the airport?

--I’d like to, but I’m afraid I a very important meeting when you return.

A. will have attended

B. was attending

C. am attending

D. will be attending

答案：

A. will have attended

B. was attending

C. am attending

(答案→)D. will be attending

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