To finish the homework, he spent four hours _______ in the study.A．lockingB．lock

题型：不详难度：来源：

To finish the homework, he spent four hours _______ in the study.

A．locking

B．locked

C．locked himself

D．to lock

答案

解析

考查非谓语动词。句中逻辑主语为he，与lock之间的关系为被动，故用过去分词。句意：为了完成家庭作业，他花了四个小时把自己关在书房里。

举一反三

After her son died in a car accident, the old lady would sit at the window, ______ out and _______ in thought.

A．looked; lost	B．looking; losing
C．looked; losing	D．looking; lost

题型：不详难度：| 查看答案

Charles is believed_______ the floor yesterday; he is always helping others silently.

A．to sweep

B．to have swept

C．having swept

D．swept

题型：不详难度：| 查看答案

Don’t enter the office unless _______.

A．you have told to

B．told to

C．telling

D．you are told

题型：不详难度：| 查看答案

--- Why do you work so hard day and night?
--- my parents’ expectations.

A．To live up to	B．To meet the demand of
C．To make full use of	D．To put up with

题型：不详难度：| 查看答案

I didn’t mean ______ anything, but these apples looked so good I couldn’t resist ______ one.

A．to eat…trying	B．to eat…to trying
C．eating…to try	D．eating…to trying

题型：不详难度：| 查看答案