Looking back their senior school life, many university students said they____have wasterd so much time on computer games then.
| A．couldn’t | B．wouldn’t | C．needn’t | D．shouldn’t |
You have to be a fairly good speaker to listeners interest for over an hour.
| A．hold | B．make | C．improve | D．receive |
Now than we’ve discussed out problem, are people happy with the decisions ?
| A．taking | B．were taken | C．being taken | D．taken |
twice, the postman refused to deliver our letters unless we chained our dog.
A．Bein g bitten |
B．Bitten | C．Having bitten | D．To be bitten |
by a greater demand of vegetables, farmers have built more green houses.
| A．Driven | B．Being driven | C．To drive | D．Having driven |
It remains whether Jim’ll be fit enough to play in the finals.
| A．seen | B．to be seen | C．seeing | D．to see |