The writer was always looking for suitable _____ to use in his next story.
| A．contents | B．articles | C．notions | D．ideas |
After the new technique was introduced, the factory produced_____ cars in 2008 as the year before.
| A．as twice many | B．as many twice | C．twice as many | D．twice many as |
Great changes ______ in China in the past 20 years.
| A．took place | B．have taken place | C．were taken place | D．have been taken place |
The question is ______ it is worth doing.
| A．if | B．whether | C．which | D．what |
---Would you mind my sitting here ____ lunch? ---______.
A. and have, No, not at all C. and having, No, thank you.
C. to have, Never, go ahead. D. and have, Oh, it’s my pleasure.
It was rude ______ you to stare at the foreigner when he passed by just now.
| A．of | B．for | C．with | D．to |