-What’s the use of this kind of machine?
-It can make the train fast.
| A．to go | B．going | C．went | D．go |
________, the Internet was only used by the government. But now it’s widely used in every field.
| A．As usual | B．At first | C．After all | D．So far |
—You don’t have to make so much noise, do you?
—__________.
| A．Not at all | B．Never mind | C．I’m sorry | D．Better not |
At the Beijing Olympics, Bolt broke the 100-meter and 200-records and became the _____man in the world.
| A．fastest | B．heaviest | C．tallest | D．slowest |
Which of the following can we NOT see at the Olympic Games?
I carried the bowl with both hands________, so that I wouldn’t break it.
| A．carefully | B．happily | C．quickly | D．carelessly |