You are sure to pass the exam ________ you study hard. 　　[ ]A. if　　　　　　　 B.

题型：同步题难度：来源：

You are sure to pass the exam ________ you study hard. 　　

[ ]

A. if　　　　　　　
B. though　　　　　　
C. that　　　　　
D. because

答案

举一反三

Betty didn"t go to see the film yesterday _________ she was ill. 　　

[ ]

A. because　　　　
B. but　　　　　　　
C. until　　　　　　
D. if

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Li Ming didn"t know anything about it _______ I told him. 　　

[ ]

A. after　　　　　　
B. until　　　　　　
C. if　　　　　　　
D. because

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I will give the message to him __________he comes back. 　　

[ ]

A. before　　　　
B. since　　　　　
C. as soon as　　　　
D. until

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They didn"t go to bed ______ they finished their homework.

[ ]

A. until
B. because
C. when
D. if

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My brother and I look different __________ we are twins.

[ ]

A. if
B. and
C. though
D. because

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