----- Can I go back home now? ----- You______ to leave until you ______ your work.
A．won’t allow; finishB．won’t be allowed; will finish
C．won’t be allowed; have finishedD．won’t allow; will finish
C
考查時態(tài)。句意：我現(xiàn)在可以回家了嗎？——直到你完成作業(yè)后才能讓你回家�？芍獜木涿枋龅氖悄硞�時間前完成的動作，故用完成時態(tài)。主句表示的是將來的動作，結(jié)合固定結(jié)構(gòu)not ……until可知選C。
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