Duncan, ______ NBA star, is one of _______ few football players who are very popular to many of his Chinese fans.
| A．an; the | B．an; a | C．the; the | D．the; a |
The tablecloth _____ 18 by 20 feet.
A. is measuredB. measuresC. measureD measuring
People try to avoid public transportation delays by using their own cars, and this ____ creates further problems.
| A．in turn | B．in all | C．take turns | D．by turns |
It is the test system, _____ the teachers, that is to blame for the heavy burden of middle school students nowadays.
| A．other than | B．or rather | C．rather than | D．more than |
The manager meant ____ the workers that being 5 minutes late meant ____ the company.
| A．to tell, to leave | B．telling, leaving | C．to tell, leaving | D．telling, to leave |
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 |