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、 He didn’t know I was in his office. He was too busy to_______me.
A．pay attention to
B．Notice
C．Know
D．Realize


32、 Because the company was doing more business, it was necessary to__________ the factory.
A．extend
B．increase
C．rise
D．lookers

33、 ______ today, he would get there by Friday.
A．Were he leave
B．Was he leaving
C．Were he to leave
D．If he leaves


34、 Wood does not conduct electricity, ________.
A．nor rubber does
B．nor does rubber
C．also doesn’t rubber
D．so doesn’t rubber


35、 __________English, she is studying Japanese and French.
A．Except
B．Except for
C．Beside
D．Besides


36、 We shall appreciate________from you soon.
A．being heard
B．hearing
C．to hear
D．having been heard


37、 My wallet is nowhere to be found. I_______when I was on the bus.
A．must drop it
B．should have dropped it
C．must have dropped it
D．had dropped it


38、 The noise was so__________ that only those with excellent hearing were aware of it.
A．dim
B．soft
C．faint
D．gentle


39、Although __________ happened in that developed country sounds like science fiction, it could occur elsewhere in the world.
A．which
B．what
C．how
D．it


40、 I_______on seeing the manager. The service in this hotel is terrible.
A．insist
B．Persist
C．Affirm
D．protest