题目

题型：不详难度：来源：

It took them         time to finish the challenging task.

A．a number of

B．a lot

C．a great deal of

D．a good many

答案

C

解析

近义词组辨析，这几个词组都有许多的意思，a number of修饰可数名词a lot要加of才能修饰不可数名词，a great deal of修饰不可数名词a good many修饰可数名词。修饰的词是time不可数名词，所以用C。