Also,when there is a lot of activity going on,time passes quicker.a lot of 后面不是应该加复数吗?
问题描述：
Also,when there is a lot of activity going on,time passes quicker.a lot of 后面不是应该加复数吗?
不是应该...a lot of activities going on.
答
题有错误.there are ...
a lot of=many / much
activity是可数名词.可以用activities
...time passes more quickly (不应该用形容词的比较级）