问题
Human facial expressions differ from those of animals in the degreethey can be controlled on purpose[ ]
A: with which
B: to which
C: of which
D: for which
B: to which
C: of which
D: for which
正确答案是：
同类题型
As we all know, the functions of our skin are very .
Rush Hour is______ action movie, and_______ story（故事） happened（发生） inAmerica.
We should tell hunters ________________tigers.
I’m afraid I can’t finish the magazinewithin the required time. ——__________.
The little chick ______ the earthworm, deciding whether to swallow it or let it go.