22. They were invented by Julie.(对画线部分提问）

21，The telephone was invented before the car.(改为同义句)

The car___the    telephone.

(    )20. I think one of the most annoying inventions_the    alarm    clock.

A. are    B. is    C.    were    D.    was

(    )19. I don’t think these inventions are still_by    people now.

A. use    B. useful    C.    used    D.    using

(    )18. I_to    get    there    before seven tomorrow,so I’ll have to get up early.

A. was    told    B. told    C.    will tell    D.    have told

(    )17. Computers give people more chances_the    world quickly.

A. know    B. knows    C.    knowing    D.    to know

(    )16. —_do    you think is the most helpful invention?

—Computer.

A. Why    B. What    C.    Who    D.    Where

13. in the 19th century_   14. the popularity of tea_  15.茶文化_

11. tea trade_ 12. take place_

8. the 6th century_

9.直到......才 . 10.民族饮品_