Question

【题目】It's not your turn yet. Please wait on the chair until you ___________ .

A. have called B. will call C. are calling D. are called

Answer 1

【答案】D

【解析】句意：还没轮到你呢。请在椅子上等候，直到有人叫你。考查被动语态。本句是含有时间状语从句的祈使句，you是从句主语，也是动词call的受动者，需用被动语态。根据句意结构，可知选D。