19.这是谁的足球？

__is    this?

18.他对这次的会议似乎忧心忡忡。

He seemed to__about    the    meeting.

17.那个年轻女士经常听乡村音乐。

That young woman_____.

16.这支钢笔不可能是刘颖的。她的钢笔是蓝色的。

This pen__Liu Ying’s. Her pen is blue.

15. Mary spent about five thousand yuan on the color TV set.(改为同义句）

The color TV set__five    thousand    yuan.

14. Mike didn’t see anybody enter the building before ten.(改为同义句)

Nobody____the    building    before    ten.

13. The notebook must be Ming’s.(改为否定句)

The notebook__Ming’s.

12. Look at the boy. He is riding a blue bicycle.(合并为一句）

Look at the boy____•

11. This hair band must be hers.(改为同义句)

This hair band____•

(    )10.—Which do you prefer，orange or coffee?

—_,thanks. I’d like a cup of tea.

A. Both    B.    Neither    C.    Either    D.    Nor