keep 后加什么?ascertain
1个回答

1.keep + 形容词,使...保持在(某一状态

She kept the child quiet.她让孩子别作声.

2.keep + 动词ing Keep practicing,you will make progress.

3.keep sb/ sth.from doing sth.阻止,妨碍;控制住

Robbie couldn't keep the child from yelling.

罗比没法使孩子不大叫大嚷.

4.+ 名词 We keep food in a refrigerator.我们把食物存放在冰箱里.