My sister is expecting me,____ I must be off now.
| A．however | B．or | C．so | D．otherwise |
The plastic bottle, __________top cut off, is used to grow a flower in.
| A．whose | B．of which | C．its | D．which |
Had it not been for the fact that she was_________ with her work, she would have attended the concert
| A．occupied | B．absorbed | C．devoted | D．concentrated |
In this school, most students prefer taking pains in their studies to_________with a better education.
| A．equip | B．be equipped | C．equipping | D．being equipped |
二、单项选择(每小题1分，共15分)
It is very strange that as many businessmen_________were present should have agreed to the stupid plan.
| A．that | B．which | C．who | D．as |
It has been reported that the country's health-care reform is still _____ debate.
| A．in | B．on | C．under | D．within |