How dirty the windows are! They really require _______.A．to cleanB．being cleaned

题型：不详难度：来源：

How dirty the windows are! They really require _______.

A．to clean

B．being cleaned

C．to have cleaned

D．cleaning

答案

解析

考查动词用法。require doing =" require" to be done需要（被）做，根据句意选择D。

举一反三

__________ from heart trouble for years Mr. White has to take some medicine with him wherever he goes.

A．Suffered

B．Suffering

C．Having suffered

D．Being suffered

题型：不详难度：| 查看答案

While he was ______ about in the street, Mary came up to him.

A．wandering

B．wondering

C．wondered

D．wandered

题型：不详难度：| 查看答案

He was barking ____ let him in.

A．for someone to	B．in case of someone
C．so someone to	D．so that someone

题型：不详难度：| 查看答案

Mary found herself looking forward more and more ________ the coming entrance examination.

A．to pass

B．to have passed

C．passing

D．to passing

题型：不详难度：| 查看答案

The murderer ran away from his village, trying to avoid ______ by the police, but in vain.

A．to be caught

B．being caught

C．to be catching

D．to catch

题型：不详难度：| 查看答案