题目内容：

句型转换

1.He used to play computer games.(改为一般疑问句)

2.Cheng Xuan is too short to reach the apple.(改为同义句)

3.My mother is very busy.(改为感叹句)

4.I think classical music is boring.（改为否定句）

5.I was making model planes when my mother came back.（对画线部分提问）