Something must be done to prevent our city ____ by thick smoke.
A.to be polluted | B.from polluting | C.from being polluted | D.polluting |
. They ______ to accept me as a full-time student of their university.
A.rejected | B.refused | C.turned down | D.said no |
No sooner ________in the distance ______a storm began to pour.
A.a thunder broke; when | B.a thunder had broken; than |
C.had a thunder broken; than | D.did a thunder break; than |
The CDs are on sale!Buy one and you get ______ completely free.
A.other | B.others | C.one | D.ones |
It’s no use____ that you didn’t know the rules.
A.you pretend | B.you to pretend | C.of you to pretend | D.your pretending |
. At a rough estimate(估计), Nigeria is ____ Great Britain.
A.three times the size as | B.the size three times of |
C.three times the size of | D.three times as the size of |