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【C4】A.andB.butC.sinceD.while
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A.andB.orC.soD.but
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材料题请点击右侧查看材料问题 查看材料A.since.B.forC.bec
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It has been raining ______ last Saturday.A、onB、 forC、tillD、 since
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【C6】A.andB.orC.forD.but
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The oil must have been used up,______the light went out.A.becauseB.forC.sinceD.as
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【C20】A.andB.forC.orD.then