国家开放大学 / 综合英语（2）
正确率：100%
I didn’t expect to see him on the conference. I just ran into him when I went to see the exhibition.
a.ran after
b.ran into
c.ran away with
d.ran on
a.ran after
b.ran into
c.ran away with
d.ran on
参考答案：
佳题速递：