As is known to us all, the opening ceremony of the Shanghai World Expo, ____ theme is “Better City, Better Life”, will begin on May 1st, 2010.
| A．which | B．its | C．that | D．whose |
Having ended the major combat (主战), President Bush_____ rebuilding Iraq.
| A．started out | B．went all out | C．turned to | D．went on |
_____ 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 |