A wonderful idea suddenly occurred to me _______ I would turn to the reference book to finish my homework
| A．that | B．if | C．when | D．which |
_____，memories of staying abroad as an exchange student flooded into his mind.
| A．Listening to these songs |
| B．Having listened to these songs |
| C．He was listening to these songs |
| D．When he listened to these songs |
You had better book rooms at the hotel in advance _____you should find no room on your arrival.
| A．so that | B．even if | C．in case | D．now that |
If you sit in an office all day long and rarely _____, you’re likely to suffer from neck and
back pains.
| A．cut in | B．work out | C．break down | D．stay up |
—Larry, I will call you at 6 o’clock tomorrow morning.
—Thanks, Mum. But it’s too early. I _____then.
| A．am sleeping | B．am to sleep |
| C．will be sleeping | D．has slept |
Don’t be afraid of challenge; there is _____like it to bring out the best in a person.
| A．somebody | B．nobody | C．everything | D．nothing |