________ your letter, I would have started off two days ago.
| A．If I received | B．Should I receive |
| C．If I could have received | D．Had I received |
_______2010 in China, the number of students ________ to study art is rising a lot.
| A．Compared with; choosing | B．Comparing to; to choose |
| C．Composing with; chosen | D．Compared to; choose |
When and where to go for the on-salary holidayyet.
| A．are not decided | B．have not been decided |
| C．is not decided | D．has not been decided |
People in some countries waste water______ people in others don’t have enough to drink.
| A．while | B．because | C．if | D．so |
The table _______ 15 by 30 feet, and I have to find another one which may be smaller but _______longer
| A．measure; last | B．is measured; lasts |
| C．measures; last | D．measures; lasts |
In common with many people，I like white colour as it is a ________of purity.
| A．symbol | B．sign | C．signal | D．mark |