最后他成功地解決了这个问题.
He successfully solved the problem .
It's (健康的)to eat more vegetables and less meat.
My dictionary is lost, could you please (借)one to me?
There will be less (污染)in 100 years.
It's very (重要的) to make a plan before we do everything.
There's a pay phone (在……的后面) the library.