46、 Mary did not have time to go to the concert yesterday because she was busy__________ for her examination．
A．to prepare
B．preparing
C．to be prepared
D．being prepared


47、 Peter，who had been driving all day，suggested__________ at the next town·
A．to stop
B．stopping
C．stop
D．having stopped


48、 The thief took the money from the old man by__________．
A．enforce
B．force
C．accident
D．strength


49、 The manager lost his__________ just because his secretary was ten minutes late．
A．mood
B．temper
C．mind
D．passion


50、 All __________is a continuous supply of the basic necessities of life．
A．which is needed
B．the thing needed
C．for our needs
D．that is needed


51、 I suggested that the students__________ each a plan for the summer vacations．
A．would make
B．will make
C．make
D．made


52、 We managed to deal with the situation before it__________ ．
A．tightened up
B．got out of control
C．lit up
D．caught on


53、 Not once__________his view of life．
A．did the gentleman mention
B．the gentleman mention that
C．the gentleman mentioned
D．the gendeman does mention


54、 __________ it left to me to decide，1 would never hesitate to choose the former．
A．If
B．Were
C．Had
D．Should


55、 It was in that’small room__________ they worked hard and dreamed of better days to cone．
A．where
B．in which
C．which
D．that