His speech was heard by a group of judges, _________ agreed that it was the best one this year.
| A．whose | B．which |
| C．all of which | D．all of whom |
He had his camera ready ___ he saw something that would make a good picture.
| A．even if |
| B．if only |
| C．in case |
| D．so that |
She has already tried her best. Please don’t be too ___ about her job.
| A．special |
| B．responsible |
| C．unusual |
| D．particular |
The Harry Potter books are quite popular; they are in great ___ in this city.
| A．quality |
| B．progress |
| C．production |
| D．demand |
—Thank God you’re safe!
—I stepped back, just ___ to avoid the racing car.
| A．in time |
| B．in case |
| C．in need |
| D．in vain |
Go out in couples, with friends who can help you in ___ of trouble.
| A．time |
| B．case |
| C．occasion |
| D．situation |