It's ___ they will be able to attend the meeting.A doubtful whetherB doubtful thatC no doubt whetherD in doubt if

分类: 作业答案 • 2021-12-19 16:29:51

问题描述：

It's ___ they will be able to attend the meeting.
A doubtful whether
B doubtful that
C no doubt whether
D in doubt if

答

A doubtful whether

答

A
带有不确定的意思（这里如果用whether是否）用doubful
反之用no doubt 如：There is no doubt that.