慢性复发性腮腺炎腮腺造影显示导管部分狭窄，部分扩张，呈腊肠样改变。

根据句意，用所给单词的适当形式填空。

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

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

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

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

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

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

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

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

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

小题10:I’m think of _________( join) it.