The man couldn't move at all _____ his partner came to save him.

题型：单选题题类：模拟题难易度：普通

上海市杨浦区2017届九年级下学期英语4月质量调研（二模）试卷

A、although B、unless C、because D、until

举一反三

They will {#blank#}1{#/blank#} {#blank#}2{#/blank#} Lanzhou{#blank#}3{#/blank#} {#blank#}4{#/blank#}.

—It's rainy and cold.

—Yes. We should protect the environment now.

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