问题
选择题
I tried to find ________ that prevented so many people from taking part in the program.
A.why it did
B.what it was
C.that it did
D.why it was
答案
答案:B
I tried to find ________ that prevented so many people from taking part in the program.
A.why it did
B.what it was
C.that it did
D.why it was
答案:B