Go on _________you reach the traffic lights.[ ]A. until

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Go on _________you reach the traffic lights.[     ]
A. until
B. when
C. after
D. while

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举一反三

We won"t leave _____ he _____ back.    [     ]
A. before, came
B. until, is
C. if, will get
D. when, come

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My grandma didn’t go to sleep I got back home.[ ]
A. where
B. until
C. as soon as
D. while

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I’m not sure________ he is right. _______ he is right, I will follow him.[ ]
A. when, if
B. whether, whether
C. if, whether
D. whether, if

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The teacher asked the student to do          _   he said.[     ]
A. like
B. the same
C. as
D. look like

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       _ he was ill, he didn"t come.[     ]
A. To
B. At
C. As
D. So

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