I ___go to work by bus tomorrow because my car is broken.

问题描述:

I ___go to work by bus tomorrow because my car is broken.
A:have to B:will have to C:must D:will must为什么选B啊?

这句话是一般将来时态,由时间词tomorrow可以推断,因此,整句话要用一般将来时,because引导一个原因状语从句,表示坐公车的原因,即我的自行车坏了.体现主将从现.即主句用将来时,从句用一般现在时