1 . We were about to leave ________ one of our friends called and said he would visit us soon. (用适当的词填空)
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2 . —I hope I can take part in the game show Who is Still Standing and win something.
—Stop daydreaming. You will win nothing ________ you spend a few months preparing for it.
—Stop daydreaming. You will win nothing ________ you spend a few months preparing for it.
A.since | B.unless | C.if | D.because |
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