_______ about their table manners, the guests decided to do everything that the

题型：不详难度：来源：

_______ about their table manners, the guests decided to do everything that the president did.

A．Worried	B．Being worrying
C．Having worried	D．Having been worried

答案

解析

略

举一反三

---Tom, must you have the light______ all night? It’s really a waste.
---Sorry, I won’t do it again.

A．burning

B．burned

C．to burn

D．to be burned

题型：不详难度：| 查看答案

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

A．To lose

B．Lost

C．Having lost

D．Being lost

题型：不详难度：| 查看答案

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

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