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科目： 來源：不詳 題型：單選題

        you make a promise,you should keep it.
A．UnlessB．ThoughC．OnceD．Even if

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科目： 來源：不詳 題型：單選題

The reason ________ he explained was________ he was ill and unable to go to school.
A．why; thatB．why; becauseC．which; becauseD．which; that

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科目： 來源：不詳 題型：單選題

He’s got himself into a dangerous situation ________ he is likely to lose control over the plane.
A. where            B. which           C. while                D why

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科目： 來源：不詳 題型：單選題

The old man was telling a funny story, surrounded by many kids, _________ with fascination.
A．a(chǎn)ll of whom listenedB．a(chǎn)ll of whom listening
C．a(chǎn)ll of them listenedD．a(chǎn)ll of them were listening

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科目： 來源：不詳 題型：單選題

_____ you make a promise, you should keep it.
A．ThoughB．UnlessC．Now thatD．Even if

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科目： 來源：不詳 題型：單選題

_______these coins are of different shapes, sizes and colors, they all date back to a long, long time ago.
A．SinceB．UnlessC．OnceD．While

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科目： 來源：不詳 題型：單選題

One more month, _______ the grapes in the yard will be ripe.
A．orB．otherwiseC．butD．a(chǎn)nd

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科目： 來源：不詳 題型：單選題

Jack wasn’t saying anything, but the teacher smiled at him _______he had done something very clever.
A．a(chǎn)s ifB．now thatC．whileD．though

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科目： 來源：不詳 題型：單選題

________ you are busy, let us help you finish the project.
A．AlthoughB．Now thatC．As soon asD．Even if

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科目： 來源：不詳 題型：單選題

Is this the reason____ at the meeting for his carelessness in his work?
A．he explainedB．what he explained
C．how he explainedD．why he explained

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