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There is a tree on side of the street.
A．every B．all C．either D．both
I love ________ my mother and father．
A．all
B．every
C．both
D．either
There are many flowers on ________ sides of the road.
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________ of the twins likes skating．
A．Both
B．Every
C．All
D．Either
There are trees on ________ side of the street.