There are some trees on ____ sides of the street. 
A: each
B: every
C: all
D: both
                    A: each
B: every
C: all
D: both
举一反三
- There are trees on _______ sides of the street. A: both B: either neither C: Each
 - There are trees on _______ side of the street. A: every B: both C: such a D: each
 - There are some trees on ______ side (s) of the street. A: both B: every C: either
 - There are green trees and beautiful flowers on sides of the road. A: all B: both C: either D: every
 - There are many trees _____ of the road! And _____ of the trees is growing larger and larger. A: on both side; a number B: on each sides; a number C: on both sides; the number D: on either sides; the number
 
