Question

【题目】—Will you go to the dinner party tonight？

—I won’t go unless Sue________．

A．will be invited

B．can be invited

C．invited

D．is invited

Answer 1

【答案】D

【解析】主句中用了一般将来时，unless引导的条件状语从句用一般现在时代替一般将来时；Sue是动作的承受者，要用被动语态。