问题
The reason______ she failed to go to the party puzzled all of the people present.
A:what
B:why
C:as
D:which
B:why
C:as
D:which
正确答案是：
同类题型
the government’s record on unemployment, their chances of winning the election look poor.
Please __________ that you must review your lesson after class.
He’s got himself into a dangerous situation______he is likely to lose control over the plane
The teacher speaks very loudly all the students can hear her.