26．— How is the campus cleaning going?
— We've cleaned it up, ______ at least most of it．
| A．and | B．then | C．or | D．Nor |
The father, ready to retire at an early age, hoped that his eldest son would ______ the family business.
| A．take over | B．look into |
| C．take up | D．look through |
My sister-in-law is the ______ of the information, so it cant be false.
| A．resource | B．source |
| C．birthplace | D．data |
--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 |