I walked in our garden, _______ Tom and Jim were tying a big sign onto one of the trees.
| A．which | B．when |
| C．where | D．that |
With the rapid development of medical science, we ______ more new drugs used in the treatment of cancer.
| A．see | B．had seen |
| C．will be seeing | D．would see |
Although faced with stress from constant exams, she lost ______ of her enthusiasm for study.
| A．some | B．neither | C．none | D．all |
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 |