He has not much __________ in programming.
A. experienced
B. to experiences
C. experiences
D. experience
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Eventually , the fireman ____________ the forest fire.
A. put on
B. put away
C. put out
D. put off
We should do something to_____________________ the earth.
A. avoid to pollute
B. avoid pollute
C. avoid polluted
D. avoid polluting
Without your help , I ____________ so much.
A. wouldn't achieve
B. won't have achieved
C. wouldn't have achieved
D. won't achieve
It______usthreemonths______finish paintingthenewhouse.
A. took;for
B. spend;on
C. cost;to
D. took;to
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