—What’s wrong with him?
—The picture he came across his memory of a sad story in his childhood.
| A．put off | B．took off | C．set off． | D．gave off |
--I believe that more effective measures have to be taken before we can breathe cleaner air.
--______. Air pollution has become too serious a problem.
| A．I don’t like it |
| B．I am with you on that |
| C．I dont care about it |
| D．I cant agree with you |
Only when our project has been approved of by the committee ______ to carry it out.
| A．did we start | B．we started |
| C．can we start | D．we start |
We are lucky to be among the generation of people who have ______ and experienced the great social changes in our country.
| A．conflicted | B．responded |
| C．witnessed | D．associated |
______ economic, political and cultural difference, China and America have decided to cooperate in dealing with global issues.
| A．In spite of | B．In favour of |
| C．On account of | D．In terms of |
Little children ask endless questions because they are ______ about everything.
| A．skeptical | B．aware |
| C．capable | D．curious |