Without facts,we can’t form a correct opinion,for we need to have actual knowledge______our thinking.
#98472
A
which to be based on
B
which to base on
C
on which to base
D
which to base
推荐题目
 You can’t imagine what great trouble they have _____ the problem _____.
#98862
A
to solve; being talked about
B
solving; discussing
C
to solve; to talk about
D
solving; being discussed