题目内容：

根据句意，用所给词的适当形式填空。

1.Lucy and Tom have been in love for many years and they’ll get ______  (marry)next month.

2.We used to             (swim) every day when we were children.

3.It will be colder in the____________ (east) part of China next week.

4.The air____________ (pollute)makes me feel sick．

5.Please say it louder，I can’t hear you_______(clear)