The weather forecast says there’s going to be a heavy storm here in two or three hours, so we have to hurry back home _____ it comes.<br />A.before<br>B.unless<br>C.although<br>D.until

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题目内容（国家开放大学英语语法）

The weather forecast says there’s going to be a heavy storm here in two or three hours, so we have to hurry back home _____ it comes.
A.before
B.unless
C.although
D.until

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河南城建学院-基础工程