The students are surprised to see a dog in the classroom（改为同义句）

The students are surprised to see a dog in the classroom（改为同义句）
The students are surprised to see a dog in the classroom（改为同义句）

The students are surprised to see a dog in the classroom（改为同义句）
It surprised the students to see a dog in the classroom,
To see a dog in the classroom,it surprised the students,
The dog in the classroom surprised the students.

The students are surprised that they see a dog in the classroom .
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To the students' surprise,they see a dog in the classroom.

To the students surprise,they see a dog in the classroom.