题目内容
—It's time for me to go back home now.
—Really? ________ you have to go, take the umbrella, it's raining outside.
A.If B.When C.Until D.Unless
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题目内容
—It's time for me to go back home now.
—Really? ________ you have to go, take the umbrella, it's raining outside.
A.If B.When C.Until D.Unless