英语几个单词用法?

题目

英语几个单词用法?
Tom's parents have spent______money on his education.
A.a lot B.plenty of C.quite a few D.a number of
这几个短语的用法区别有什么不同?该怎么用?

答案

a lot 重在表示程度 如:thanks a lot
plenty of,“大量的,充裕的”,用来修饰可数名词和不可数名词,用法同a lot of / lots of
quite a few与 many 相等（形容可数名词）
a number of后只能接可数名词,如果在a后面再加great就变a great number of就等于many(many修饰可数名词）