_____leaves the office last must close all the windows and the door.
| A．Anyone | B．Who | C．Whoever | D．No matter who |
_____ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
| A．If | B．While | C．Because | D．As |
The number of foreign students attending Chinese universities _____ rising steadily since 1997.
| A．is | B．are | C．has been | D．have been |
If you sit near _____ front of the bus, you’ll have _____ better view of the rapidly changing city.
| A．/; the | B．/; a | C．the; a | D．the; the |
The car broke down, and I had to_____ on foot
| A．make my way | B．feel my way | C．fight ways | D．lost my way |
Don’t turn round .Go______ on till you see the hospital.
| A．down | B．alone | C．ahead | D．straight |