Maggie’s house is next to mine. We see each other .
A. a number of
B. a lot of.
C. a great deal
D. a great many
网友回答
A. a number of
B. a lot of.
(答案→)C. a great deal
D. a great many
解析：考查词组，a number of +n ，a lot of + n, a great deal代指不可数概念，a great many代指可数概念，该处指的是经常看到对方，抽象概念，作不可数用，所以选择C