The journalists from many countries couldn’t be ___________ about when China would have joint research with the United States on nuclear power projects to increase China’s industrial capacity with overseas advanced energy technologies, so they asked Premier Li Keqiang at the press conference.
| A．bound | B．arbitrary |
| C．ambiguous | D．positive |
Playing on the football pitch __________.
| A．some students are with their P. E. teacher |
| B．their P. E. teacher is with some students |
| C．some students with their P. E. teacher are |
| D．are some students with their P. E. teacher |
With the development of the Internet, e-mail has largely __________ the traditional business letter.
| A．exchanged | B．reduced |
| C．replaced | D．traded |
I won't buy this iPhone unless the price __________ to under 2，000 yuan.
| A．reduces | B．will be reduced |
| C．has reduced | D．is reduced |
Since we have made __________，we have to make __________ to achieve more.
| A．a progress; efforts | B．progresses; an effort |
| C．much progress; effort | D．little progress; efforts |
Now many people move into cities in order to have their children __________.
| A．better educate | B．receive well education |
| C．better educated | D．accept better education |