“How was ______ they discovered the entrance to the underground palace?” “Totally by chance.”
| A．it that | B．he that | C．it when | D．he which |
Turn off the tap please. The water .
| A．was wasted | B．wastes | C．is wasting | D．is wasted |
As far as we know, Tom spends at least as much time watching TV as he.
| A．does writing | B．writes | C．writing | D．does to write |
--Could you take a message for Mr. Green?
---Certainly. I him about something at any case, so it may other.
| A．may see; isn’t | B．see; won’t be | C．will see; isn’t | D．will be seeing; won’t be |
---I beg your pardon!
---Oh, youto me carefully. (just now)
| A．didn’t | B．haven’t listened | C．don’t listen | D．weren’t listening |
He works in a factory now, but he on a farm for 20 years.
| A．worked | B．has worked | C．had worked | D．had been working |