35.American Indians _______ about five percent of the U.S.population.
A.fill up B.bring up C.make up D.set up
34.The role of the police is to_______ that the law is obeyed.
A.be certain B.be sure C.ensure D.determine
33.Some of the rubbish ________ paper, plastics and iron, rots away over a long period of time.
A.such as B.for example C.namely D.that is
32.The sound of happy laughter ______ memories of his childhood.
A.called back B.called up C.called upon D.called at
31.The boy’s poor discipline (纪律) almost _____ the teacher mad.
A.went B.caused C.drove D.took
30.What you said just now _____ me of that American professor.
A.mentioned B.informed C.reminded D.memorized
29.Wearing her best dress, she wanted to make herself ____at the ball.
A.notice B.to notice C.noticing D.noticed
28.A net is to a fisherman ______ a gun is to a hunter.
A.how B.what C.like D.as if
27.Do let your mother know the truth.She appears ____ everything.
A.to tell B.to be told
C.to be telling D.to have been told
26.However ____ to the story he is, he has to put it away and focus his attention on study this week.
A.interested B.anxious C.addicted D.curious