根据语境选出恰当的单词填空，有的需要变换形式，每词限用一次。instrument,volunteer,comm...

问题详情：

根据语境选出恰当的单词填空，有的需要变换形式，每词限用一次。

instrument, volunteer, community, truth, bill

1. They decided to find out the ________.

2. We need ________ to help the old men clean their houses.

3. —Is the boy learning a(n) ________?

—Yes, he is learning the piano.

4. Have you received your telephone ________?

5. Our ________ provides us with the medical service and help.

【回答】

1. truth        2. volunteers  

3. instrument   4. bill(s)  5. community

知识点：选词填空

题型：完成句子