We don’t doubt he can do a good job of it.A. whetherB. thatC. whatD. why

问题补充：

We don’t doubt he can do a good job of it.

A. whether

B. that

C. what

D. why

答案：

A. whether

(答案→)B. that

C. what

D. why

解析：考查宾语从句。doubt后接宾语从句时，疑问句和否定句一般用连接词that．肯定句一般用连接词whether,if，本题doubt用于否定句中，所以应该填连接词that。句意：我们并不怀疑他能把这事做得很好。