Neither they nor I __________ to go camping yesterday．
| A．am allowed | B．are allowed |
| C．was allowed | D．were allowed |
—Is your uncle really very ill?
—______. He’s in hospital.
| A．I don’t think so | B．No, he isn’t |
| C．I hope so | D．I’m afraid so |
Joe has ______ for ten years. Ten years ______ a long time.
| A．left; is | B．left; are |
| C．been away; is | D．been away; are |
I enjoy staying outside so I always sleep with the window openit is really cold．
| A．since | B．when |
| C．if | D．unless |
It’s 12:00 pm now. They _________ be sleeping.
| A．can | B．would |
| C．must | D．should |