People think “SOS” is the simplest and common to make, in time of danger or

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People think “SOS” is the simplest and common to make, in time of danger or disaster.

A．mark

B．sign

C．signal

D．remark

答案

解析

略

举一反三

They received a number of _____ from customers about the lack of parking facilities.

A．complains

B．complaints

C．complainer

D．complainers

题型：不详难度：| 查看答案

Can you think of a _____ in which you could use this expression.

A．situation

B．condition

C．state

D．matter

题型：不详难度：| 查看答案

The _____ of electricity added to our difficulty repairing the bridge.

A．absence

B．short

C．need

D．break

题型：不详难度：| 查看答案

She spoke very confidently because she wanted to make a great___________ on her employer．

A．influence

B．pressure

C．impression

D．effect

题型：不详难度：| 查看答案

. After so many days on the way, even Charles cheered up at the _____ of the food.

A．look

B．sight

C．sign

D．appearance

题型：不详难度：| 查看答案