单项选择题

I have no doubt ______ he will overcome all his difficulties.

A. whether
B. if
C. that
D. what
<上一题 目录 下一题>
热门 试题

单项选择题
Every boy and girl must have ______ hair neatly combed.

A.his
B.her
C.its
D.their
单项选择题
It happened prior ______ my arrival.
A. at
B. by
C. to
D. of
相关试题