如何判断差速器的异响:"the old man made it possible for us to cross the river."中为何要用“made”而不用“did”和“kept”

The man pointed to the old coat. The priceless Chinese vase__the old man. the old man with oil can Please make room for the old man。 翻译此句子"young man,are you still looking for that place?"It was the same old lady! The poor old man __ graves since he was twenty. Don't ___________ at the old man like that. The old man lives by himself and he feels l_____. The old man is very healthy.同意句是什么啊??? "the old man made it possible for us to cross the river."中为何要用“made”而不用“did”和“kept”