1 . — I am bored with running.
— Why not try trampoline, a new fitness craze that ______ the world by storm?

A．took

B．is taking

C．had taken

D．will take

2 . 单句语法填空
1. Scientists have many theories about how the universe first came into __________(exist).
2. The _________(surround) villages have been absorbed by the growing city.
3. Even so, she impressed the world   _______ her courage and strong desire to succeed.
4. The car's quite full, but we could manage _________ (squeeze) another couple of people in.
5. Many patients have benefited a lot ______ the new treatment then.
6. Many parents feel a sense of ________(lose) when their children leave home.
7. The _________(puzzle) look on his face suggested that what the monitor said was beyond her understanding.
8. People in the west make it a rule _______(buy) Christmas presents for their relatives and friends.
9. They sold their house at the right time and made ____ fortune on it.
10. Domestic coal supplies _________(run) out. The country will have to import it from abroad.

3 . —Guess what? Zark____________a company with his partner.
—Gosh! It’s no more than two years since he studied in the university.

A．operated

B．is operating

C．has operated

D．had been operating

4 . I _____ for the airport to catch the flight at 6 pm. Please send the file to me within ten minutes.

A．am leaving

B．have left

C．was leaving

D．had left

5 . The world’s attention ________ China’s Belt and Road Initiative，as it has great influence on the world’s economy.

A．is to fix on	B．was fixed on
C．has fixed on	D．is being fixed on

6 . —Do you know when your mother ________ to pick you up?
—At 11：40 am.

A．had come	B．is coming
C．has come	D．would come

7 . —Dad, where on earth did you put my raincoat?
—Oh, Jim. I forgot to tell you. It _________ behind your bedroom door.

A．would hang	B．has hung
C．is hanging	D．hung

8 . —What's that terrible noise?
—The neighbors ________ for a party.

A．have prepared	B．are preparing
C．prepare	D．will prepare

9 . .Rainforests ＿＿and burned at such a speed that they will disappear from the earth in the future.

A．cut

B．are cut

C．are being cut

D．had been cut