i'm afraid i can't get in all the wheat within such a short

i'm afraid i can't get in all the wheat within such a short time ____to help me tomorrow.
a;unless you will come b;unless you come
这道题为什么不选a 而选b呢?unless后面不能跟将来时吗?那这句话怎么翻译呢?

陈肥 1年前已收到1个回答举报

永远的瞬间幼苗

共回答了13个问题采纳率：92.3% 举报

选B,unless引导时间状语从句,不能用将来时.从上下文的句意看,动作是将来,即所谓的"主将从现".
除非你明天来帮我,否则恐怕我不能在这么短的时间内收割所有的小麦.

1年前

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