Believe it or not, he was seen ______upstairs just now.A．to goB．to goingC．having

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Believe it or not, he was seen ______upstairs just now.

A．to go

B．to going

C．having gone

D．go

答案

解析

see, watch, look at ,feel, notice, observe, listen to, hear 等感官动词（短语）及make, let, have等役使动词后用不带to的不定式作宾补，但这类结构变成被动语态时，to
不可以省略另外，在感官动词后也可用现在分词作宾补，但其意义表示动作正在进行。如：I saw him running after the bus.(动作正进行)

举一反三

It was so cold that they kept the fire ________all night.

A．to burn

B．burn

C．burning

D．burned

题型：不详难度：| 查看答案

The salesman scolded the girl caught ______and let her off.

A．to have stolen

B．to be stealing

C．to steal

D．stealing

题型：不详难度：| 查看答案

He was disappointed to find his suggestion_______.

A．turning down

B．turned down

C．to be turned down

D．to turn down

题型：不详难度：| 查看答案

The murderer was brought in ,with his hands ______behind his back.

A．being tied

B．having tied

C．to be tied

D．tied

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Tom kept quiet about the accident _______lose his job.

A．not in order to

B．so as not to

C．in order to not

D．not so as to

题型：不详难度：| 查看答案