【题目】We had ______ fun at Mary's party last Sunday.
A.a large number of
B.a great many
C.a great deal of
D.many a

【答案】C
【解析】句意：上周日我们在玛丽的聚会上玩的很开心。句中fun 是不可数名词，A、B、D三项都是修饰可数名词，只有C项修饰不可数名词，故选C.