题目内容：

Yesterday I ---- ----(meet) a famous writer in the bookstore.两个空格如何填,

优质解答

come across
偶然碰到
We came across an old man lying in the road.
我们碰见一位老人躺在路上.
I came across an old friend yesterday.
我昨天碰见一位老朋友.

追问：

用MEET

追答：

题意是这个词组的意思和meet的意思一样，并不是非要用meet