题目内容
—Mum, I want to watch the program I Am a Singer now.
—Sorry, you can't watch it ________ you finish your homework.
A.when B.if C.after D.until
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题目内容
—Mum, I want to watch the program I Am a Singer now.
—Sorry, you can't watch it ________ you finish your homework.
A.when B.if C.after D.until