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.
