36、 __________a lot of money made the study abroad possible for him．
A．Tom saved
B．Tom has saved
C．Tom's having been saved
D．Tom's having saved


37、 If I could put back the clock, I'll give more thought to __________for a career．
A．prepare
B．be prepared
C．preparing
D．have prepared


38、 As we know, physics __________ the science of energy．
A．was
B．were
C．is
D．are


39、 I sometimes wish that my university __________
A．is as large as yours
B．was as large as yours
C．be as large as yours
D．were as large as yours


40、 The day __________ I shall never forget is the one __________I joined the army.
A．that...where
B．when...in which
C．which...when
D．on which...why


41、 __________a wrong address, she could not find her friend's house．
A．Giving
B．To be given
C．Having given
D．Having been given


42、 Bravery is as rare in war as it is in peace. It isn't just a matter of facing danger from which you would__________ to run.
A．prefer
B．infer
C．Refer
D．offer


43、 I couldn't understand why he pretended __________ in the bookstore.
A．to see me not
B．not to see me
C．not see me
D．to see not me


44、 They __________us since five o'clock this morning until now．
A．are helping
B．help
C．have helped
D．have been helping


45、 If you don't put the cheese in the refrigerator, it may__________
A．go off
B．go out
C．go over
D．go wrong