Since then the number of people who were addicted to smoking ________ 20%.[

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Since then the number of people who were addicted to smoking ________ 20%.[     ]
A．has reduced to
B．reduces by
C．has reduced by
D．have reduced by

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举一反三

— ________ busy schoolwork, the children also have to take arts, music and sports
     classes in their free time.
— I wonder what they will become.[      ]
A. Rather than
B. Owing to
C. Except for
D. Apart from

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Her speech made a great impression ________ the audience.[      ]
A. in
B. on
C. at
D. of

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He will join us ________ the condition that we divide all the profits equally.[     ]
A. in
B. for
C. on
D. to

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He suddenly saw Sue _____ the room. He pushed his way ______ the crowd ofpeople to get to her? [     ]
A.  across; across
B.  over; though
C.  across; through
D.  over; into

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A clean environment can help the city bid for the Olympics.  which _____ will promote its economic
development.[      ]
A.  in nature
B.  in return
C.  in turn
C.  in fact

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