题目内容：

根据句意，用所给单词的适当形式填空。

1.Would you like to help the _______ (able) people?

2.I think it is_______ ( use ) to learn English.

3.Some people do not have enough money for ______ (medicine) treatment.

4.It is ______ (meaning) to support charities.

5.I’m ______ (grate) to you for your help.

6.I often heard her _______(play) the piano in the next room last week.

7.It is important for us_________ ( protect) the wildlife.

8.My aunt can’t see anything because of his _________(blind).

9.My grandmother is badly ill and she needs an _________(operate) at once.

10.I’m think of _________( join) it.