______for the timely investment from the public, our company would not be so booming now.
| A．Had it not been | B．were it not | C．If it was not | D．Be it not |
_____ private cars are bringing us convenience, they may also cause more traffic accidents and pollution.
| A．While | B．As | C．If | D．Since |
_____ I toured Zhang Jiajie, I was deeply impressed with its beautiful scenery.
| A．For the fust time | B．At first |
| C．It was the first time | D．The first time |
After months of voyage, Columbus arrived in_____ later proved a new continent.
| A．where | B．what | C．which | D．that |
The door opened and in _____.
| A．he came | B．came he | C．did he come | D．did Mr Smith come |
According to the Ministry of Health, by May 1, 2003, the total SARS deaths on the Chinese mainland_____to 170.
| A．has come | B．had reached | C．increased | D．had climbed |