1.He bought ___ copies of the magazine.
   A.two dozen of
   B.two dozens of
   C.two dozen
   D.two dozens
2.Lesson Twelve is___ most difficult lesson, but it isn't___ 
   most difficult lesson in Book One.
   A.a;a
   B.a;the
   C.the;the
   D.the;a
3.She was told to take___ medicine three times___ day.
   A./;a
   B.the;a
   C.a;the
   D.the;/
4.My mother and I wanted to see a new play, but we weren't be
   able to get the tickets for ___two of us.
   A./
   B.the
   C.among
   D.between
5.Three years later that wild field ___theatre.
   A.turned a
   B.become a
   C.became
   D.turned
6.Of the two shirts, I'd like to choose ___ expensive one.
   A.the less
   B.the most
   C.less
   D.most















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