Directions: In this part there are 20 incomplete sentences. For each sentence there are four choices marked A, B, C and D. Choose the ONE answer that best completes the sentence. Then mark the corre-sponding letter on the ANSWER SHEET with a single line through the centre.
31、 The story was said to have been based on the information from a reliable __________.
A．source
B．foundation
C．origin
D．basis


32、 After being tested in many ways, this newly-designed machine will________in the near future.
A．take place
B．put into use
C．come into use
D．take action


33、I can’t tell the ______ difference between the twin sisters.
A．slight
B．simple
C．slender
D．single


34、When she heard the bad news, she________completely.
A．broke away
B．broke up
C．broke down
D．broke out


35、 The Prime Minister refused to comment on the rumor that he had planned to __________.
A．discharge
B．dismiss
C．resign
D．resume


36、 Stupid people often find it difficult to __________their prejudices.
A．give in
B．give away
C．give into
D．give up


37、 He said there was nothing to be __________.
A．ashamed
B．ashamed in
C．ashamed of
D．ashamed at


38、 Our society has changed and __________in it.
A．so the people have
B．the people have so
C．so have the people
D．have the people so


39、 Even if they are on sale, these refrigerators are equal in price to, if not more expensive than, __________at the other store.
A．anyone
B．the others
C．that
D．the ones


40、 The door over there needs__________
A．painted
B．painting
C．has painted
D．paint