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
–It’s hard for me to go to sleep.
–Try to ____ the amount of coffee you drink during the day.
A．cut up B．cut in C．cut down D．cut off
There was a big fire in the building last night. ____, all the people were able to escape.
A．Unluckily B．Fortunately C．To be sure D．Above all
You must try some of her home-made wine and it’s quite ____ experience! I know from ____ experience it is very good.
A．the; the B．an; an C．an; / D．/;an
There ____ a terrible accident then, ____ three passengers were killed and twenty were injured as well.
A．was occurred; which B．was occurred; in which
C．occurred; which D．occurred; in which
In yesterday’s newspaper, it was reported that great damage ____by the flood.
A．has been done B．had been done C．has done D．had done
