题目内容：

—The meeting has begun and ____ he will come.
—Of course,he is sure to come.He'll speak at the meeting.(D)
A．I believe B．I hope C．I think D．I doubt if

优质解答

D
a,我相信
b,我希望
c,我认为
d,我怀疑是否
因为会议已经开始了,他还没来,所以表示疑惑,他还会不会来,根据回答也可选出d的答案