It was only with the help of the local guide _______.
| A．was the mountain climber rescued |
| B．that the mountain climber was rescued |
| C．when the mountain climber was rescued |
| D．then the mountain climber was rescued |
In order to keep fit, the old man makes it a rule _____ for a walk after supper every day．
| A．going | B．to go | C．go | D．gone |
—Are you doing your homework？
—No, I’m writing a short play．It _____ at the Christmas party．
| A．will be put on |
| B．will put on |
| C．puts on |
| D．is put on |
Volunteering gives you a chance _______ lives，including your own．
| A．change | B．changing |
| C．changed | D．to change |
The news came as no surprise to me．I _____ for some time that the factory was going to shut down．
| A．knew | B．had known |
| C．have known | D．know |
Dan Brown，_____ author of The Da Vinci Code，is _____ very famous American writer．
| A．a; the | B．the; the |
| C．the; a | D．a; a |