25.A survey of the opinions of experts    that three hours of outdoor exercise a week   good for one’s health.
   A.show; are     B.shows; is     C.show;is    D.shows;are
26.Many people have come to realize that they ahould go on    balanced diet and make   room in their day for exercise.
   A.a;/        B.the; a     C.the;the     D./;a
27.—Where is my dictionary? I remember I put it here yesterday.
 —You    it in the wrong place.
   A.must put      B.should have put     C.might put D.might have put