We won't leave until Jim _____back.

问题描述:

We won't leave until Jim _____back.
A.come B.will come C.comes

C
not...until 直到...才,主句We won't leave用一般将来时,从句用一般现在时,Jim 第三人称单数,所以动词也用三单 comes
翻译:直到Jim回来我才离开