问题

Is this the reason ________ she explained in the report for her success in the job?[ ]
A:what
B:that
C:how
D:why
B:that
C:how
D:why
正确答案是:
同类题型
The boy goes to school _____________ everyday.
It is ___________ the customers’needs that has made chain stores so popular in big cities in China
I borrowed several books from the library, ________ are about English study.
This kind of flower needs special care ___________ it can live through winter.