Question

agreatdealof和agreatnumberof的区别

Answer 1

区别：
1）a number of 后面只能跟可数名词的复数形式
A number of accidents always occur on rainy days.雨天常常有许多事故发生。

2）a great deal of 后面只能跟不可数名词。
I spent a great deal of my time on this work.我在这项工作上花了不少时间。