题目内容：

句型转换

1.The pen is black.(改为同义句)

This is a __________  _________．

2.I'm fine.(改为同义句)

______________________．

3.Mary is fine．(对画线部分提问)

__________  __________Mary?

4.It's a UFO．(对画线部分提问)

___________  _________this?

5.is，my，green，quilt (.) (连词成句)

___________________________________________