______ in thought, he almost knocked into the car before him.A．To loseB．Lost C．H

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______ in thought, he almost knocked into the car before him.

A．To lose

B．Lost

C．Having lost

D．Being lost

答案

解析

略

举一反三

The boys, ________ with this somewhat terrifying figure, had lost their tongues.

A．to face

B．having faced

C．faced

D．facing

题型：不详难度：| 查看答案

.Polly found herself_________ up at a man_________with his hand___________on her arm.

A．staring; standing; resting	B．stared; stood; rested
C．stare; stood; rested	D．to stare; standing; resting

题型：不详难度：| 查看答案

Loulan, once a small, wealthy commercial city, is believed by many people___________over gradually by sandstorms from AD 200 to AD 500.

A．covered

B．was covered

C．to be covered

D．to have been covered

题型：不详难度：| 查看答案

She looked around, but the tall man was nowhere______.

A．to see

B．to be seeing

C．to be seen

D．seen

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A strong earthquake struck Chile"s central-south coast on February 22, ________ great damage to buildings

A．caused

B．to cause

C．causing

D．having caused

题型：不详难度：| 查看答案