—Are you sure the delegation will come to our school next week?—．The head of it has just e

问题补充：

—Are you sure the delegation will come to our school next week?

—．The head of it has just emailed me about the departure time of their flight．

A. No wonder

B. Definitely not

C. Don’t mention it

D. You bet

答案：

A. No wonder

B. Definitely not

C. Don’t mention it

(答案→)D. You bet

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