Social attention should be paid ____ our earth from ____.
| A．to preventing; being polluted | B．to prevent; polluting |
| C．to prevent; being polluted | D．to preventing; polluted |
The president’s ideas, most of which were not known to all at first, _______ popular support later.
| A．gained | B．gathered | C．accepted | D．owned |
--- Another cup of coffee?
---No, thanks. I think I’d better _______ for the station immediately.
| A．set up | B．set about | C．set down | D．set off |
We always ______ other people for doing great things; however, we ignore that we can succeed by ourselves.
| A．celebrate | B．imagine | C．admire | D．congratulate |
I __________ to stop their quarrel, but they wouldn’t listen to me.
A. succeeded B. advised C. managed D. tried
It is usually very cool in Tom’s hometown in September, but it ______ be rather hot sometimes.
A. must B. can C. should D. would
It is ________ he said ________ is very important to us.
| A．what; that | B．all what; that | C．all that; which | D．which; which |