He---back until the work---done.A.isn't;will be B.won't be;w

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He---back until the work---done.A.isn't;will be B.won't be;will be C;won't be;is为啥选C不选A

He---back until the work---done.
A.isn't;will be B.won't be;will be C;won't be;is 为啥选C不选A
选项是C
因为【主将从现】.主句用【一般将来时】,从句用【一般现在时】.
再问： won't 是什么东西，是什么的缩写，还是过去式？
再答： won't 是will not的缩写.

He---back until the work---done.A.isn't;will be B.won't be;w He ___ back until the work _____ done.A.isn't;will be B.isn' They won't be back home until the work ____ . he won't be back home until ten. they won't be back until the work_____? He won't go home until he____the work.A.Will finish B.finish There will be fewer trees,( A.won't there B.will there C.isn The sports meet ___ be held until next week.A.didn't B.won't however hard he tries ,the recorder A didn't work B won' t w We won't leave here.You will be back .用（not...until)连接 we won't go home until we _________the work.A.do B.have done 1.I don't know _____ he will be back home.A.who 　B.what 　C.w