Chinese government should ______ taking action at once to defend the Diaoyu Islands.
| A．set about | B．set off | C．set out | D．set down |
A new museum is being built in our city and it’ll be accessible to the citizens when___ next year.
| A．completing | B．is completed | C．to be completed | D．completed |
Robert failed to complete his education____ he found it hard to focus on his studies.
| A．although | B．if | C．because | D．while |
We live in a society_____ there is a great deal of debate about competition.
| A．which | B．where | C．when | D．that |
--- What have you learned from your experience in Japan?
--- Well, meeting people from another culture ___ be very difficult.
| A．must | B．can | C．should | D．shall |
According to the survey, modern industry_____ quickly in developing countries in the past half century.
| A．develop | B．has developed | C．had developed | D．developed |