Use your head,______you"ll work it out. [ ]A. so B. or

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Use your head,______you"ll work it out.  [     ]
A. so
B. or
C. and
D. for

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举一反三

I want to buy the jacket,_______ I have not enough money with me. [     ]
A. but
B. so
C. or
D. for

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______you _______I am going to help Tom.   [    ]
A. Either;or
B. Not;but
C. Not only;and
D. Each;and

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A cough is usually nothing to worry about unless it lasts for tendays____．[     ]
A. or more
B. instead
C. at most
D. only

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A good idea occurred to Mr. Baker________ to his invention recently. [ ]
A. while applying
B. while applied
C. while he was applying himself
D. while applying himself

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Winning the bid to host the Olympic Games means not only a great honor to a nation ________.    [     ]
A. but a great responsibility
B. but as well as a great responsibility
C. as well as a great responsibility
D. but a great responsibility as well

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