题目内容：

句型转换。

1.She plays the piano every day.(改为一般疑问句)

she     the piano every day?

2.They saw some cows yesterday.(改为否定句)

They     see      cows yesterday

3.The desk is very useful.(改为感叹句)

              useful desk it is ！

4.There is little milk in the bottle,              ?(改为反意疑问句)

5.Bell invented the telephone in 1876.(改为被动语态)

The telephone             by Bell  in 1876.