41、 " Good-bye, Mr. Wang. I' m pleased________you. "
A．to meet
B．meeting
C．to have been meeting
D．to be met


42、 Shortly after the accident, two ______ policemen came to the spot.
A．dozen of
B．dozens
C．dozen
D．dozens of


43、 The birth rate in a city __________ to fall as its gross domestic product (GDP) rises steadily.
A．estimates
B．anticipates
C．assumes
D．tends


44、 Don' t risk________the job which so many people want.
A．losing
B．to lose
C．Lost
D．your life to los.


45、 __________your homework and make sure that you don' t any mistakes.
A．Do; do
B．Make; make
C．Make; do
D．Do; make


46、He didn’t fear new ideas, __________ the future.
A．nor feared he
B．nor he did fear
C．nor did he fear
D．nor did fear he


47、 Anyone breaking the rules will be asked to leave__________.
A．at the spot
B．on the spot
C．for the spot
D．in the spot

48、 Hospital doctors don' t go out very often as their work __________all their time.
A．takes away
B．takes in
C．takes over
D．takes up


49、 He never wrote to his father________he was in need of money.
A．Except
B．except when
C．except for
D．except that


50、 It seems very difficult __________.
A．to stop the child to cry
B．restraining the child to cry
C．to stop the child from crying
D．holding the child's crying