1.we should plant more trees to make our city _____.(green)为什么填greener不填green.
问题描述：
1.we should plant more trees to make our city _____.(green)为什么填greener不填green.
2.he finished writing the letter as _______(quick ) as he could .为什么填quickly.
答
more tree后,城市和以前相比应该更绿化,所以有比较
quick可以做副词,但是不规范,你可以用于口语,但最好不要英语书面语.
quickly作为副词,就是规范的.