问题 选择题

-- When can I play computer games, Mum?

--______ your homework _______.

A.Until, finishes

B.Not until, will be finished

C.Until ,is finished

D.Not until, is finished

答案

答案:D

本题考查的是until引导的条件状语从句,由于your homework不能发生finish的动作,故选用被动语态,同时在条件状语从句中,主句为祈使句,而从句用一般现在时,代替将来时,故用一般现在时,故选答案为D

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