The black people thus lay on the hard wooden boards, _________ stand up.
| A．unableto | B．couldn’t | C．wasunableto | D．can’t |
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 |
. Going out for tea with friends increasingly popular during the past twenty years.
| A．becomes | B．became | C．has become | D．had become |
Key: C
I can guess you were in a hurry. You your sweater inside out.
| A．had worn | B．wore | C．are wearing | D．were wearing |
--Who is the old man talking with your teacher?
---I don’t know. I him before.
| A．was never seeing | B．had never seen | C．never saw | D．wouldn’t see |
--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 |