yesterday,heavier,was,than,traffic,the(.); testerday,traffic,was,heavier,than,the,morning(.)

问题描述:

yesterday,heavier,was,than,traffic,the(.); testerday,traffic,was,heavier,than,the,morning(.)

The traffic was heavier than yesterday.
The traffic was heavier than yesterday morning.
主要考点是比较级,多掌握就好做了