To make our city more beautiful ,rubbish ______ into the river.A．must throwB．ca

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To make our city more beautiful ,rubbish ______ into the river.

A．must throw

B．can’t throw

C．needn’t be thrown

D．mustn’t be thrown

答案

解析

试题分析：句意:为了使我们的城市变得更漂亮，不能往河里扔垃圾。由句意可知rubbish 和动词throw 之间是被动的关系，且本句意思是否定的，因此排除A、B两项。C选项need 是需要；D 选项must 是必须。根据句意可知选D。

举一反三

--In English classes,we_____ often ________ several groups so that we can help eath other.
A.divide;into B.are;divided into C.diving;into

题型：不详难度：| 查看答案

The students are ______ to hand in the exercises before class.

A．hoped 　

B．suggested

C．agreed

D．expected

题型：不详难度：| 查看答案

The Trojan War ______ by Helen and her beauty.

A．causes

B．is caused

C．caused

D．was caused

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Our classroom _______ by us every day!

A．is cleaning

B．has cleaned

C．must clean

D．is cleaned

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If the magazine is online, paper _______ .

A．won’t need

B．doesn’t need

C．won’t be needed

D．hasn’t needed

题型：不详难度：| 查看答案