— are my keys? —They are on the sofa.A.What B.Where C.Why
When the player finished running, he was out of _____.
The book cost so _____ that she didn’t buy it.
His close friend _____ for two years.
I met my teacher _____ I was walking in the street, but I didn’t say hello to him.
There was a rainstorm yesterday. The flood _____ the old bridge over the small river.