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问题: 请教两道英语题目

His father got to_____ his bike after lunch.
A repaired B repairing C repair D repairs
答案是B,为什么?请问get to do sth /get doing sth的区别?

He tried his best to help us.(改为同义句)
He _____ _____ he could to help us.
答案是 did what对吗?是不是could 后还应有个do呀有没有其它改法?
谢谢.

解答:

His father got to_____ his bike after lunch.
A repaired B repairing C repair D repairs
答案是B,为什么?请问get to do sth /get doing sth的区别?

答案的确应该是B,因为 get to 后边不接动词原形 ,只接doing,get to doing sth.表示“着手做某事”

He tried his best to help us.(改为同义句)
He _____ _____ he could to help us.
答案:可填did what ,也可以填did all
在 could后面实际上是省略了一个do的,这是一种习惯用法,在高中课本里是可以看到类似例句的,如高一上册的“A City of Heroes”中就有这样的句子:We will do everything (that)we can to save our city.