—My son is addicted to computer games. He is hopeless, isn't he?—Yes, _____ he is determined to give up and start all over.
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if
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when
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even if
D
unless
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The news shocked the whole nation ____a strong earthquake hit Yushu on Apr．14, 2010．
#34027
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what
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when
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that
D
which
Our society insists on regular habits, timekeeping and punctuality, and whether we like it or not, ______ we mean to make our way in society, we have to comply ( to act in accordance with a demand, rule, etc.) its demands.
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whether
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after
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if
D
until
-– I wonder how much you charge for your services.--- The first two are free the third costs $30.
#80672
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while
B
until
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when
D
before