1.Mary often plays with her pet dog(改为一般疑问句）
1.Mary often plays with her pet dog(改为一般疑问句）
（）Mary often ()with her pet dog?
2.Isn't Bill lazy?(作否定回答）
（）,he（）.
3.These flowers are very beautiful(改为感叹句）
（）（）these flowers are!
（）Mary often ()with her pet dog?
2.Isn't Bill lazy?(作否定回答）
（）,he（）.
3.These flowers are very beautiful(改为感叹句）
（）（）these flowers are!
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