none和neither,10.Walkingalongthestreet,youcanseemanytreesonsideofthestreet.A.eitherB.allB.bothD.every为什么不能选both?either的意思也是两者都么?

Question

none 和 neither,
10.Walking along the street,you can see many trees on __________side of the street.
A.either B.all B.both D.every
为什么不能选both?either的意思也是两者都么?

Answer 1

either用于指两者之一；如果涉及多于两者的情况时,应用any.故须用Either/Any side.
both用于指两者都；如果涉及多于两者的情况时,应用all.故须用Both/All sides.
“沿街走去,你会看到两侧的棵棵树木.”