This river __________ dirty in old days.[ ]A. is used to beB. used toC. used

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This river __________ dirty in old days.[ ]
A. is used to be
B. used to
C. used to be

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举一反三

—Can you ____      a good way to solve the problems?
—Sorry, I can"t.  But I believe somebody can.               [     ]
A. give up
B. think over
C. come up with

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Have you _____ Beethoven,the great composer?[     ]
A. heard from
B. heard of
C. heard
D. listened to

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Your friends would probably say that you are easy to __________.[ ]
A. get along with
B. get on well
C. get well with

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His mother __________ him stories when he was young.[ ]
A. was used to tell
B. is used to telling
C. used to tell

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The scientists are trying to _     _ a good solution to save people who have got HINI flu
in our country.            [     ]
A.  come out
B.  come down
C.  come up with

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