______ you have passed your English exam, you should study hard. [ ]A. If

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______ you have passed your English exam, you should study hard. [     ]
A. If
B. Even though
C. Because
D. Unless

答案

举一反三

Mary always tells lies. _____ she says, nobody will believe her.        [     ]
A. Whatever
B. Whenever
C. Wherever
D. However

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Milk quickly goes bad in summer it is in a fridge (冰箱). [ ]
A. if
B. because
C. unless
D. when

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They will telephone the police and complain about it            the noise             .A. if; stops
B. unless; stops
C. if not; stops
D. unless; doesn’t stop

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I don"t like bread. I won"t eat it _____ I am very hungry.[     ]
A. while
B. when
C. as
D. unless

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I won"t take part in the party _____ Joe invites me.    [     ]
A. if
B. when
C. unless
D. because

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