He commanded that the students ______the classroom before he returned.A．didn’t l

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He commanded that the students ______the classroom before he returned.

A．didn’t leave

B．wouldn’t leave

C．not leave

D．couldn’t leave

答案

解析

试题分析：动词command如果作“要求”解时，后加动词的虚拟语气形式，即should+动词原形。Should可以被省略。故选C。句意：他要求学生们在他回来之前不能离开教室。

举一反三

Which of the following sentences conveys a fact?

A．Maryandhersonmustbehomebynow.

B．Carelessreadingmustgivepoorresults.

C．It’sgettinglate,andImustleavenow.

D．Hemustbeworkinglateattheoffice.

题型：不详难度：| 查看答案

I ran all the way to school yesterday, otherwise I late for the annual talent show.

A．was

B．had been

C．would be

D．would have been

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It’s time that you_____with the relief work in the flood-stricken area after the awful typhoon.

A．must help

B．can help

C．helped

D．have helped

题型：不详难度：| 查看答案

Mr. Smith insisted that his book _______within three days.

A．returned

B．would be returned

C．should return

D．be returned

题型：不详难度：| 查看答案

Tom ____ have kept his word. I wonder why he changed his mind.
A. must B. should C. need D would

题型：不详难度：| 查看答案