Her hands________rough.She must have done a lot of heavy physical work.[ ]

It was not until the 18th century that man realized that the whole of the brain was involved in the working of the mind，　　　　？

My mother is going quiet one day. She doesn’t like noise.

Why not talk with your parents about your willingness to attend Peking University Summer Camp?I tried __________to get them to listen to me.[ ]

In many people’s opinion, that company, though relatively small, is pleasant _______.