I have some doubt his words but is no doubt that he has passed the exam. A. about; itB.

问题补充：

I have some doubt his words, but is no doubt that he has passed the exam.

A. about; it

B. of; that

C. about; there

D. to; he

答案：

A. about; it

B. of; that

(答案→)C. about; there

D. to; he

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