Four is ____ of two.
| A．double | B．two | C．the two | D．the double |
More than 10,000 competitors from the world came to Beijing to compete __________ each other __________medals in 2008
| A．with; for | B．for; against |
| C．against; with | D．for; with |
Some scientists believe that ________ is no doubt ________ a cure for AIDS will be found.
| A．it; that | B．it; whether |
| C．there; that | D．there; whether |
The teacher asked his students to leave a space in their exercise books ________.
| A．every a few lines | B．each a few lines |
| C．each few lines | D．every few lines |
The driver who died in the accident _________, but he didn’t wear the seat belt.
A. could survived B. could have survived
B. must survived D. must have survived
I can’t tell you the exact time when I’ll get there, maybe at 8 or 9 or later. __________, I’ll be there as early as I can.
| A．Thus | B．However |
| C．Anyhow | D．Therefore |