We don’t doubt he will succeed in the research work.A. thatB. whetherC. howD. what

发布时间：2020-08-16 08:24:59

We don’t doubt      he will succeed in the research work.
A. that
B. whether
C. how
D. what

网友回答

(答案→)A. that
B. whether
C. how
D. what
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