单项选择题

Our public transportation is not (sufficient) for the need of the people in our major cities.

A．additional
B．efficient
C．excessive
D．adequate
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单项选择题
The price is (somewhat) higher than I expected.
A．to some degree
B．at some time
C．in some cases
D．for some reason
单项选择题
The boss put great (stress) on the workers so that they could work harder.
A．anger
B．control
C．pressure
D．nerve
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