－Which is the ____ season of a year？
－Summer.
A. hot B. hotter C. hottest
—Are you going to Hainan for your holidays？
—No，________my parents pay for the trip．
| A．unless |
| B．if |
| C．because |
| D．when |
All the boys like Jinyu Team and they often play basketball instead of________football．
| A．playing |
| B．play |
| C．to play |
| D．played |
—________exciting news！
—Yes．It makes everyone happy．
| A．How |
| B．What |
| C．How a |
| D．What a |
You may fail in the exam________you study hard．
| A．until |
| B．if |
| C．because |
| D．unless |
The thief got________a fright that he dropped the bag onto the ground．
| A．so |
| B．very |
| C．quite |
| D．such |