题目内容：

单词拼写(每空仅填一词）（共10题，每题0.5分，满分5分）

1.A bad habit is easy to form, but hard to______________(克服).

2.The thief _________( 挣扎) to get away from the policeman but failed.

3.Exercise is a great way to ____________(减少).

4.A tire ____________(膨胀) when you pump air into it.

5.He was preparing for tomorrow's lecture. ___________(因此) he couldn't come to the party.

6.It's impossible to know in a ___________what will happen.

7.In g___________, his work has been good, but this essay is terrible.

8.He came to l__________ a few minutes later, unable to remember anything about the accident.

9.He had been working hard, no w _________that he got a rise again.

10.He was picked out from the whole class to r __________them to have the meeting.