单选题
4.
______ names were put forward by the committee to fill the vacancy of the departing director.
A、
Several of
B、
Amount
C、
An amount of
D、
A number of
【正确答案】
D
【答案解析】
选项A错误，介词of赘余。选项B错误，amount作名词时修饰不可数名词。选项C错误，amount意思是“总量”。选项D正确，a number of意思是“若干个”。
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