题目

We often have to stay up for our study though we to have enough sleep．A. told B. were told C. have told D. are told 答案：【答案】D【解析】句意：尽管我们被告知要有充足的睡眠，但是我们还是经常不得不熬夜学习。考查一般现在时的被动语态。根据题干可知，句中主语we是谓语动词tell的承受者，二者形成被动关系，故用被动语态；由时间状语often可知，句子时态要用一般现在时态，故谓语动词要用一般现在时的被动语The sudden shout scared the boy ________．A.to cryB.into cryingC.cryingD.cry