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题型：单选题题类：常考题难易度：普通

黑龙江省鹤岗市第一中学2018-2019学年高二下学期英语6月月考试卷

The government has taken some measures to solve the shortage of electricity, but it may be some time ________ the situation improves.

A、since B、when C、before D、unless

举一反三

The bacteria are invisible unless {#blank#}1{#/blank#} (view) with a microscope.

___________________ off the bus ______ he realized his wallet was stolen.

自从他大学毕业，他就梦想出国旅游。(ever since)

The three miners had been trapped in the well for a week{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#}.

这三个矿工被困井下一周后才被救上来。

His aunt {#blank#}1{#/blank#}(do) some cooking when he came in .

When ____ to perform on the stage, he felt nervous and excited .

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