The illness from which Mary is suffering has now been _____ as hepatitis (肝炎).
| A．diagnosed | B．determined | C．deduced | D．discovered |
. After the war, a new school building was put up __ bad once been a theatre.
| A．in which | B．where | C．where it | D．where there |
The most of his time is ____ to prepare for the college entrance examination.
| A．used | B．spent | C．taken | D．made |
. The other day, my friend John drove his car down the street at I thought was a dangerous speed, and ____ surprised everyone in the car.
| A．which; that | B．which; it | C．as; which | D．what; that |
--- How did you pay the workers? --- As a rule, they were paid ______.
| A．by hour | B．by the hour | C．by hours | D．by an hour |
. Several years later he ___ writer.
| A．become | B．turned | C．become a | D．turned a |