Smith wrote an article on ____ he failed to pass the exam.
| A．why | B．that | C．who | D．what |
Jane is a good dancer. When on stage, she is always so proud of herself.
| A．stands | B．standing | C．is standing | D．stood |
There is no point ____ further. I think he has made a decision.
| A．to argue | B．argued | C．in arguing | D．argues |
Between the two periods of classes is a break, we can have a short rest.
| A．then | B．where | C．when | D．which |
— Your room looks a real mess, Tony.
— ____?
| A．What for | B．So what | C．What if | D．So how |
The little boy is lucky enough to have escaped ____ to death in the big fire.
| A．burning | B．to be burned |
| C．being burned | D．to have been burned |