单词拼写(每空仅填一词）（共10题，每题0.5分，满分5分）
小题1:A bad habit is easy to form, but hard to______________(克服).
小题2:The thief _________( 挣扎) to get away from the policeman but failed.
小题3:Exercise is a great way to ____________(减少).
小题4:A tire ____________(膨胀) when you pump air into it.
小题5:He was preparing for tomorrow's lecture. ___________(因此) he couldn't come to the party.
小题6:It's impossible to know in a ___________what will happen.
小题7:In g___________, his work has been good, but this essay is terrible.
小题8:He came to l__________ a few minutes later, unable to remember anything about the accident.
小题9:He had been working hard, no w _________that he got a rise again.
小题10:He was picked out from the whole class to r __________them to have the meeting.