My hobby is changing all the time. Now I am _______ in collecting coins. It’s_______ and valuable.
A. interesting; interested B. interested; interesting C. interested; interest
The rubbish _____ is produced every day is becoming a serious problem in cities around the world.
| A．that | B．who | C．where | D．whom |
More and more trees were cut down. _____, many animals are dying out.
| A．In the end | B．So that |
| C．As a result | D．At last |
We should often keep _____ touch with each other, because we are good friends.
| A．on | B．to | C．in | D．up |
—What do you think this coat is made _____?
—Wool. It’s used for _____.
| A．of, keeping warm | B．from, keeping warm |
| C．in, keeping warmly | D．of, keeping warmly |
—Do you know _____?
—Sorry, I don’t know.
| A．what’s the population of Japan |
| B．what the population of France is |
| C．how much of the population of Japan is |
| D．how many is the population of France |