---Are you free next week?
----I don’t think so. These days I’m very_________.
| A．happy | B．tired | C．full | D．hungry |
_____Lily_____Lucy may go with you because one of them must stay at home.
| A．Not only...but also | B．Neither...nor |
| C．Both...and... | D．Either...or... |
Let us forget the past, _____?
| A．don’t you | B．shall we |
| C．do we | D．will you |
---I feel tired and weak.
---Why not stop_____.
| A．To work | B．To have a rest |
| C．Having a rest | D．to go on with your work |
Yang Liwei_____about twenty-one hours in_____around the earth fourteen times.
| A．took; going | B．spent; going |
| C．cost; to go | D．took; to go |
Everyone is supposed_____a seat belt in the car.
| A．wearing | B．to wear |
| C．to be worn | D．wear |