plenty of /a great many/ a great amount of/a great deal of /a lot of/后面跟可数还数不可数

问题描述:

plenty of /a great many/ a great amount of/a great deal of /a lot of/后面跟可数还数不可数

不可数名词前可用:plenty of,a great amount of,a great deal of,a lot of
可数名词前可用:plenty of,a great many ,a great amount of,a lot of