问题
选择题
– You look very tired this morning. What did you do last afternoon?
-- I did _______ Christmas shopping.
A．a number of
B．a few of
C．a lot of
D．a piece of
答案
答案：C
题目分析: 句意：今天上午你看上去很累，昨天下午你做什么了？我圣诞购物了很多。a number of 许多（修饰可数名词），a few of……中的几个（可数名词），a lot of许多（修饰可数或不可数名词）， a piece of一片；Christmas shopping.圣诞购物，不可数名词，故选C.