－I plan to invite our friends to have supper.－We haven’t seen them such a long time.A. I c

问题补充：

－I plan to invite our friends to have supper.

－We haven’t seen them such a long time.

A. I can’t believe my eyes!

B. Do you really think so?

C. Why not?

D. I am not certain.

答案：

A. I can’t believe my eyes!

B. Do you really think so?

(答案→)C. Why not?

D. I am not certain.

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