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He won't go home until he____the work.A.Will finish B.finish

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He won't go home until he____the work.A.Will finish B.finishes C.finish D.finished 选...
He won't go home until he____the work.
A.Will finish
B.finishes
C.finish
D.finished
选哪个,为什么?
He won't go home until he finishes the work.
他要做完工作才回家.
not...until..."直到.才."
答案选择上,可用排除法,C项finish,与主语he第三人称单数不相符；D项finished,与主句won't时态不相符,故C和D先被排除.
学习中,有学过“主将从现”的知识,即从句是条件状语从句,意思表将来时,主句用将来式,从句用一般现在式.
所以本题选：B.
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