1.On _ sides of the street are a lot of colorful flowers.
A.each B.both C.either D.all
2.There are some _ between Dave and Mary.
A.similar B.similarity C.similarities D.more similar
3.Tina and her brother are in different _ .
A.school B.a school C.schools D.the school
4.Our English teacher always makes us _ the new words in our exercise books.
A.copy B.to copy C.copying D.copies