问题
He is a man with rich experience, from ______ much can be learned.
A:whom
B:which
C:where
D:what;
B:which
C:where
D:what;
正确答案是：
同类题型
Every possible means ______ to prevent the air pollution, but the sky is still not clear.
The winter holiday will begin soon. John _____ to stay with us.
To keep healthy we should have food ________ all kinds of vitamins. [ ]
. “Could you do me a favour and take thebox up to the six floor” “_______.”