35.( )Listen! The professor is giving us a talk on _________.
A.how can we improve our English
B.why should we buy a dictionary
C.what is the best way to learn English
34.( )There is not much difference between the two cups. I really don’t know ________ I should choose.
A.which B.what C.where
33.( )No one can tell ________ he will come or not.
A.that B.whether C.if
32.( )We’d like to tell you that you ________ the exam.
A.have passed B.would pass C.had passed
31.( )It’s almost seven o’clock. Jack _______ be here at any moment.
A.must B.should C. can
30.( )She was so shy that the face _______ red.
A.became B.turned C.got
29.( )Give me one more hour, ________ I’ll finish the work.
A.but B.and C.or
28.( )Most of what he said _________ true. Don’t believe him!
A.isn’t B.aren’t C.wasn’t
27.( )Her latest book has come out. Where can I get a(n) _________ of it?
A.page B.copy C.article
26.( )He keeps ________ in the lab day and night.
A.to work B.working C.work