—May I surf the Internet now?—No, _____ you have finished washing the dishes.

题型：单选题题类：常考题难易度：普通

广东省揭阳市五校2016届九年级上册英语期末联考试卷

—May I surf the Internet now?

—No, _____ you have finished washing the dishes.

A、if B、unless C、because D、when

举一反三

—I was reading a book.

—________ I don't want to ________ late for school.

—Well, if it , the school sports meeting will be cancelled.

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