题目内容

You can’t get back your football_________you finish your work．
A．becauseB．afterC．whenD．until
D

本题考查not…until结构，表示直到…才，它通常与be动词，情态动词或是助动词连用，故选Ｄ。句意：直到你完成工作，你才能取回你的足球。Because表示原因，after表示….之后，而when表示当…的时候。
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