--- Look at ______ book on the desk . Is it ______ useful one ?
---Yes, it is . In the book there is much advice on how to learn math well.
| A．a, the | B．the, a | C．the, an | D．a, an |
相关试题
________, 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 |
The runner, Bolt broke the 100-meter and 200-meter records, he became one of the _____man in the world.
| A．fastest | B．heaviest |
| C．tallest | D．slowest |
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