问题补充：
I have read books and I’ve learned .
A. a great deal of; a lot of
B. a great many; a lot
C. a large number of; lots of
D. plenty of; a lot of
答案：
A. a great deal of; a lot of
(答案→)B. a great many; a lot
C. a large number of; lots of
D. plenty of; a lot of
解析：句意：我读了许多书并且我学了很多。a great many/ a large number of修饰可数名词复数，a great deal of修饰不可数名词，plenty of修饰可数或不可数，a lot 副词，非常，许多，所以选B。
