The reason he can’t come is he has to work late. A. because; thatB. that; thatC. why; th

问题补充：

The reason he can’t come is he has to work late.

A. because; that

B. that; that

C. why; that

D. why; because

答案：

A. because; that

B. that; that

(答案→)C. why; that

D. why; because

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