Only after the second tower of the World Trade Centre did people know it was not an accident, but an attack of some kind.
| A．had hit |
| B．did fall |
| C．was hit |
| D．was fallen |
---It’s a long time since I saw my sister.
--- ______her this weekend?
Why not visit B. Why not to visit
C. Why not visiting D. Why don’t visit
It will not be he returns from abroad.
| A．before long | B．long before | C．after long | D．long after |
The suspect to the police that the hammar stillwhere he had it .
| A．lay;lay;lain | B．Lay;lied;laid | C．lied;lay;laid | D．lied;laid;lain |
Being examined twice a year, whether it is a car or a bus or a truck, is the rule that every driver obey in this city.
| A．shall | B．can | C．need | D．might |
Try to spend your time just on the things you find .
| A．worthy doing them | B．worthy being done |
| C．worthy to being done | D．worthy of being done |