Your major determines your degree and your future work .Therefore,knowing_is impotant to high

问题描述:

Your major determines your degree and your future work .Therefore,knowing_is impotant to high
school students.
A.which should choose B.which to be chosen
C.which to choose D.which being chosen

C
这里的意思是:“选择哪一个”
这是常用的结构,特殊疑问词+to do 作为宾语成分.
A which从句中缺少主语
B、D 这里并不需要被动语态