问题

The reason _______ he felt frustrated was ______ he lost his MP4.
A:why/that
B:that/why
C:why/because
D:that / because
B:that/why
C:why/because
D:that / because
正确答案是:
同类题型
Private cars really provide much convenience to people, and ___ they cause too many problems
I hadn’t expected__________James to apologize but I had hoped.
Yassin’s death was not _______ to stop Hamas’ ability to ________ terror attack
We should learn from those ____ are always ready to help others. [ ]