Few of them hurt themselves in the accident last night , __________？
| A．don’t they | B．didn’t they |
| C．did they | D．do they |
is goodour body.
| A．Walking;at | B．Walk;for |
| C．Walking;for | D．To walk;at |
Great changesin China in the past 20 years.
| A．took place | B．were taken place |
| C．have taken place | D．have been taken place |
We will have a _____ holiday after the exam .
| A．two month | B．two-month | C．two-months | D．two months |
Though it was late , _____ he went on with his work .
| A．but | B．and | C．so | D．\ |
We ____ here two hours ago . We____ here for two hours .
| A．have arrived , have been | B．have come , have been |
| C．came , have come | D．arrived , have been |