----- Where did you ______ our chemistry teacher?
----- It was in the supermarket ______ I saw him.
| A．come to, where | B．come across, that | C．come across, where | D．come to, that |
—Look! Someone ________ the floor.
—Well, it wasn't me. I went shopping just now.
| A．had swept | B．has swept |
| C．was sweeping | D．is sweeping |
It's said that they ________ a better life ever since they moved to the US.
| A．had enjoyed | B．have been enjoying |
| C．were enjoying | D．would enjoy |
—Ouch! You hurt me.
—I'm sorry. But I ________ any harm. I ________ to drive a rat out.
| A．don't mean; am trying |
| B．didn't mean; tried |
| C．haven't meant; tried |
| D．didn't mean; was trying |
In general, most tennis ________ on hard courts or on clay.
| A．plays | B．is played |
| C．has played | D．has been played |
Despite ongoing street protests, US beef ________ in South Korea due to its lower price.
| A．is sold well | B．sells well |
| C．sells poorly | D．is sold poorly |