He tried to make up ______the lost time ______staying up late.
| A．with...with | B．with...by | C．for...with | D．for...by |
All the citizens, young and old, walked and sang, beautifully ______ in new clothes of all kinds, _______ the success of their football team.
| A．dressing; celebrating | B．wearing; to celebrate |
| C．dressed; to celebrate | D．worn; celebrating |
Market economy is a competitive economy, ______ I think, suppliers, producers and dealers should obey market rules and develop cooperative relation based on mutual benefits.
| A．that | B． which | C．where | D．how |
______ ever find something you want to save on your own computer, you can download it.
| A．Should you | B．If should you |
| C．If you will | D．Will you |
Today acupuncture, the art of “magic needles”, has become popular round the world, ______ have other traditional Chinese medicines.
| A．so | B．as | C．that | D．which |
Penicillin became the greatest drug of the 20th century, without ______ many people ______ from sickness or even small wounds.
| A．it, died | B．which, have died |
| C．which, would have died | D．it, would have died |