问题

I doubt______ he will come to attend our school’s 107th anniversary ceremony[ ]
A: that
B: whether
C: what
D: how
B: whether
C: what
D: how
正确答案是:
同类题型
_____ close parents are to their children has a strong influence on the character of the children[ ]
Everybody was touched words after they heard her moving story
_________hours do you read every day—More than one.
But for your timely warning, we _____ into great trouble.— Well, you know we’re friends.