根据提示填空（每空一词）
Harry doesn’t take medicine when he catches a cold. He always believes that body is able to fight it by ____ (自己).

根据提示填空（每空一词）
Children, please help ____(you) to some fruit.

根据提示填空（每空一词）
Nobody taught my brother drawing. He learnt it by ____.

根据句意和首字母提示填空(每空一词)
He sang and danced with his friends. He really enjoyed h____ at the party.