题目内容：

仔细阅读下面五个句子，然后用下面方框中所给的单词或短语填空，使每个句子在结构、句意和逻辑上正确。（提示：选项中有一个是多余的。）

 

push /  mean / certain / fought on / manage / fought against

push /  mean / certain / fought on / manage / fought against

 

1.He is ________ and only thinks about himself. He doesn't treat others nicely.

2.When they started working, they can _________ their own lives.

3.Many times I thought about giving up but I __________.

4.The large stones were put together in a __________ way.

5.People shouldn't _________ their kids so hard.