题目内容：

Didn't they come to the party last week?

优质解答

上周他们没来参加聚会吗?

追问：

Didn’t they come to the party last week? —Yes. They didn’t want to come with us at first, but then we ____ persuade them. A. would B. could C. were able to D. had to 能解释一下句意吗

追答：

不， （他们来了）。开始他们不想来，但是后来我们劝说他们了。选C 只有C合理， 经过努力能...