Loulan, once a small, wealthy commercial city, is believed by many people_______

题型：不详难度：来源：

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

答案

解析

略

举一反三

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

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It is generally accepted that Chinese were the earliest ________ football while the European established the modern rules for football.

A．played

B．playing

C．to play

D．having played

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He raised his gun, pointed it to a deer and aim, shot at it.

A．took careful	B．taking careful
C．to take careful	D．taken careful

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Mr. Reed made up his mind to devote all he had to some schools for poor children.

A．set up

B．setting up

C．have set up

D．has set up

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