36、 The reason why I came late is__________I missed the bus．
A．why
B．that
C．as
D．because


37、 I would have written before, but I__________ ill.
A．were
B．had been
C．would be
D．was


38、 __________explain it to him, he still didn't understand．
A．Hard as I tried to
B．As I tried hard to
C．Hard I tried to
D．Tried as I hard to

39、I'm rather anxious__________ her, for I haven't heard from her for a long time.
A．toward
B．about
C．in
D．over


40、 The Anti-Japanese War __________in 1937 and it __________eight years.
A．was broken out...lasted
B．broke out...lasted
C．broke...remained
D．had been broken out...kept


41、 People try to avoid public transportation delays by using their own cars, and this __________creates further problems.
A．in short
B．in case
C．in doubt
D．in turn


42、 You can take anything from the shelf and read, but please__________the books when you've finished with them．
A．put on
B．put down
C．put back
D．put off


43、 He doesn't have the slightest __________of buying a new house．
A．attempt
B．intention
C．statement
D．temptation


44、 Where did you get your watch__________?
A．repair
B．to repair
C．repaired
D．repairing


45、 __________tomorrow, she would get there on Sunday．
A．Would she leave
B．If she leaves
C．Were she to leave
D．If she had left