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You will fall behind others         you work hard.
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until
B
when
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after
D
unless
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 —Did you have a good time at the party?—Yes. We sang ______danced until late at night.
#57645
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but
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if
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_______everyone is here. Let’s start our meeting.
#55618
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Because
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 —What is Mom cooking in the kitchen? 　    —Chicken, I guess. How nice it     !
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It is a nice digital camera, ________ a little expensive.
#55558
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as
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since
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though
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unless
My father didn’t go to bed ______ he washed his car last night.
#57160
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until
B
after
C
when
D
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