35. —David has been in low spirits these days. — He should have failed in the Math test.

问题补充：

35. —David has been in low spirits these days.

— He should have failed in the Math test.

A. How come?

B. How is it?

C. Guess what?

D. No wonder

答案：

A. How come?

B. How is it?

(答案→)C. Guess what?

D. No wonder

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