there are lots of trees on sides of the street

问题描述:

there are lots of trees on sides of the street
there are lots of trees on side of the lake
there are a lot of trees on side of the street
there are a lot of trees on side of the lake
A all B both C every D either
题是出在一起 应该怎么区分
讲清楚一点

B D D D
all 三边及以上 谓语用复数
every 三边及以上 谓语用单数
both 两边 谓语用复数
either 两边 谓语用单数