______ professional violinsit practises for several hours a day, but ______ violinist has his own way of playing the Beethoven concert.

 A. Each；every   B. Every；each      C. All；every      D. Either；every

___ park is crowded on Sundays.

        A.All      B.Every     C.Each       D.Both

_______ professional pianist practises for several hours a day, but _______ has his own way of playing the Beethoven music.?

A. Each；every　B. Every；each?

C. All；every D. Either；every?

—Where can I tie the horse?

—Oh,you can tie it to ______of the tree.

A.both           B.every          C.each            D.either

  He goes back home to see his parents ______ few weeks.

      A. every a          B. every           C. each              D. some