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 disabled (able) people?
【小题2】I think it isuseful ( use ) to learn English.
【小题3】Some people do not have enough money for medical (medicine) treatment.
【小题4】It is meaningful (meaning) to support charities.
【小题5】I’m grateful (grate) to you for your help.
【小题6】I often heard her play (play) the piano in the next room last week.
【小题7】It is important for usto protect ( protect) the wildlife.
【小题8】My aunt can’t see anything because of his blindness (blind).
【小题9】My grandmother is badly ill and she needs an operation (operate) at once.
【小题10】I’m think of joining ( join) it.
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解析：根据句意，用所给单词的适当形式填空，注意时态，人称和固定词组搭配。