Question

【题目】—Mom, could I watch the game show now?
—Sorry, you can't watch it ______ you clean your room.
A.when
B.if
C.after
D.until

Answer 1

【答案】D
【解析】句意：——妈妈，我现在可以看比赛节目吗？——对不起，你直到打扫了你的房间才可以看。not ……until直到……才。故选D。