题目内容
Don't come ___ you are invited.
A. unless B. if not C. why D. that
A
解析:
unless可相当于if not,但用于句中时,不可说:if not you are invited ,可以说if you aren't invited,所以选unless。
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题目内容
Don't come ___ you are invited.
A. unless B. if not C. why D. that
A
unless可相当于if not,但用于句中时,不可说:if not you are invited ,可以说if you aren't invited,所以选unless。