26、 Because the United States is not surrounded by many other nations, some Americans tend to __________the rest of the world．
A．ignore
B．decline
C．neglect
D．overlook


27、 It was not until the accident happened __________
A．when I became aware of my foolishness
B．when my foolishness became obvious
C．that did I realize my foolishness
D．that I became aware of my foolishness


28、 --What's the matter? Why__________
--The signal is against us．
A．the train stopping
B．does the train stop
C．is the train stopping
D．did the train stop


29、 I will spend more time on English, __________it is possible．
A．so that
B．provided
C．just as
D．for fear that


30、 It is necessary that an efficient worker his work on time.
A．accomplishes
B．can accomplish
C．accomplish
D．has accomplished


31、 I am disappointed with the new officers elected in our club, but there is no point __ about it.
A．to worry
B．in worrying
C．for us worrying
D．with us to worry


32、 The police don't know who committed the crime, but they __________ Jones．
A．doubt
B．suspect
C．regard
D．consider


33、Hardly __________ the TV__________the electricity was cut off．
A．had I turned on．．．when
B．did I turn on．．．than
C．have I turned on．．．before
D．does I turn on．．．after


34、 The new buildings here are all reinforced with steel, __________safety in case of an earthquake．
A．for the sake of
B．for good
C．for instance
D．for the better


35、 The train__________of the station right on time．
A．pulled
B．pulled down
C．pulled on
D．pulled out