题目内容
根据中文提示及句意完成句子.
1.Mary’s father works hard to __________(改善) their lives.
2.Our government is trying to make our living __________(条件) better.
3.Air _____________ (污染) is the worst problem now. Something must be done to stop it.
4.The Internet makes _______________ (交流) much easier and faster
5.I have ________ (借) the book written by Mo Yan for a week.
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