The employees were asked to concentrate their attention________improving the qua

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The employees were asked to concentrate their attention________improving the quality of the products.[      ]
A. in
B. to
C. with
D. on

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举一反三

________the  English  beginners  in  the  class  have some difficulty with English. but I believe
they will get over it.[     ]
A. At the moment
B. For a moment
C. From the moment on
D. The moment

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—What"s your first impression________Mrs Wang?
—She looks serious.I think she"ll be strict________us.[     ]
A. on; in
B. on; with
C. of; with
D. of; in

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—Do you know Helen?
—Yes.She"s a friend of mine,a very close friend________.[     ]
A. after all
B. in time
C. in fact
D. above all

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Many people like to go to the pub,which is short________public house.[     ]
A. of
B. on
C. with
D. for

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His ideas are________and I suggest you think twice before you accept them. [      ]
A. out of control
B. out of order
C. out of reach
D. out of date

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