36、 __________, the new electronic device they designed is now in regular operation.
A．With the solved problem
B．With this problem being solved
C．With the problem solved
D．With this problem to solve


37、 The USA is composed of 50 states, __________are separated from the others by land or water．
A．two of these
B．of whom two
C．two of which
D．two of that


38、 No one except Tom and Mary __________ late for the class．
A．are
B．is
C．were
D．was


39、 No one except two students__________ the meeting．
A．has been late for
B．have been late for
C．was late for
D．were later for


40、 There is still a __________ possibility that their team may win in the last match．
A．slim
B．thin
C．lean
D．weak


41、 Problems like this __________ every day in the factory．
A．raise
B．rise
C．get
D．arise


42、 Mr． Smith said that he did not want to __________any further responsibilities．
A．take on
B．get on
C．put up
D．look up


43、 The movie star__________with your sister, didn't he?
A．was used to dance
B．used to dancing
C．used to dance
D．was used to dancing


44、 The door over there needs
A．painted
B．painting
C．has painted
D．paint


45、 The foreigner tried his best, but he still couldn't make his point__________
A．understand
B．understanding
C．to understand
D．understood