It will take us to finish the work. [ ]A. half hour

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It will take us               to finish the work.   [     ]
A. half hour
B. one and half an hour
C. one hour and a half
D. one an half hours

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举一反三

In our city,           college students want to work as a teacher in holidays.    [     ]
A. thousand
B. thousands of
C. thousand of
D. two thousand of

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Eight            pounds  per  month? That"s not much.   [     ]
A. hundred of
B. hundreds of
C. hundreds
D. hundred

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In 2012,          people will go to London to see the exciting Olympic Games.    [     ]
A. ten millions
B. millions of
C. ten millions of
D. million of

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—Each year,_     _ fishes are killed by the polluted water and many people are made sick by the polluted air.
—We should do something to stop it!    [     ]
A. million of
B. millions of
C. two millions
D. two millions of

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There are ____   on our farm.      [     ]
A. hundred sheeps
B. hundreds of cows
C. a few hundreds of house
D. hundreds of sheeps

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