分类：教育/科学-外语学习-英语考试
问题：Ojetor
There are many trees and flowers on_____side of the treet.A   both                  B   every   each                  D   eitherI am sorry I don't know the right key .I feel that C is right.
回答：C  因为这里用的是side是单数形式　所以应用each       若用  both则side应用复数形式