He was not an actor, who often appeared on stage, _____ a writer, writing stories.
| A．but | B．and |
| C．then | D．so |
He _______ to go to Tsinghua University to study after graduating from high school, so he is working very hard.
| A．demands | B．defends | C．desires | D．designs |
The thief went into the house at midnight, only ______ by the policemen hiding there.
| A．to catch | B．catching | C．to be caught | D．caught |
It is because English is being widely used at present _______.
| A．why we learn it hard | B．that we learn it hard |
| C．which we must learn | D．when we should learn |
Mum has always made me ________ my skin problem and encouraged me to use the cream.
| A．aware of | B．compared to | C．familiar with | D．accustomed to |
After trying hard, they _______ the hope of finding an effective way to solve the problem.
| A．abandoned | B．released | C．discouraged | D．resigned |