24. The reason he is absent from class is he has caught a bad cold.A. why; becauseB. tha

问题补充：

24. The reason he is absent from class is he has caught a bad cold.

A. why; because

B. that; what

C. for which；because

D. why; that

答案：

A. why; because

B. that; what

C. for which；because

(答案→)D. why; that

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