The triangle is inside the square.

The square is around the triangle.

The triangle is inside the circle.

The circle is around the triangle.

The square is inside the triangle.

The triangle is around the square.

The circle is between two small squares.

There is a square on either side of the circle.

There are many  trees on _____ side of the street.

A. either

B. any

C. all

D. both

街道只有两边，因此排除B、C。Both后面接复数，on either side of the street 等于 on both sides of。如果选择D，side必须用复数形式。

【翻译】街道的任意一边都栽了树。

The circle is on the left of a rectangle.

The rectangle is on the right of the circle.