猜猜我昨天在超市碰到了谁?
Guess who I ___ran ___into at the supermarket yesterday?
我在公园意外地遇到了一位老同事。
I unexpectedly ___ran ___into an old colleague in the park.
如果你在这个城区遇到名人,别太惊讶。
Don't be surprised if you ___run ___into someone famous in this part of town.