(    )16. The most common things, from paper to clay to bamboo,_ objects    of

beauty.

A. turn into    B. turns into    C. are turned into D. is turned into

(    )15. You may go fishing if your work_.

A. is done    B. have done    C. has done    D.    will be    done

(    )14. There is a lot of research_how    languages    are    learned.

A. with    B. about    C. on    D.    in

(    )13. The underground parking lot_at    midnight every day.

A. close    B. are closed    C. is closed    D.    closes

(    )12. Do you know bananas_in    Hainan?

A. grows    B. is grown    C. grew    D.    are grown

(    )11. Paper cutting_around for over 1,500 years.

A. is    B. will be    C. has been    D.    was

10. The pieces are c_  shaped by hand from a very special kind of clay and then

allowed to air-dry.

9. The small pieces of clay art s_  the  love  that all Chinese people have for life and

beauty

8. When the lanterns are lit, they slowly r_  into the air like small hot-air balloons

for all to see.

7. A general i_  of    the    topic is usually followed by specific details and examples.