Don't leave for there until to do so.A. you'll be toldB. toldC. tellingD. you are told

问题补充：

Don leave for there until to do so.

A. youll be told

B. told

C. telling

D. you are told

答案：

A. youll be told

B. told

C. telling

D. you are told

解析：首先，该句考察的是状语从句的时态问题，我们常讲“主将从现”，故从句应用一般现在时或现在完成时，另意为：不要去那除非有人叫你去，故选 D ，另外when, while, if, as if, although / though, as, until, once, whether, unless, where等引导的从句中，如果其谓语为be，而主语与主句的主语相同时，则从句的主语和be可省略。主句为祈使句，主语为you,而从句主语为you,谓语动词为be,故而选B。