There is always _________rain in this area.People always have good harvest.

问题描述:

There is always _________rain in this area.People always have good harvest.
a large number of /plenty of /a little/many
a large number of /plenty of 后面跟什么样的名词?

a large number of +可数名词复数.
plenty of +不可数名词.
显然选plenty of .