语法总结
wonder how...
wondered how she could send a signal 写出人物在困境中的思考过程。
相似句：
- He wondered how he could open the door.
- She wondered how they would survive the storm.
turn ... into ...
这是本课最重要的动作结构，写“临时把某物变作别的用途”。
相似句：
- They turned the box into a table.
- She turned the room into a classroom.
to rescue 的目的表达
arrived on the scene to rescue... 用不定式明确救援目的。
相似句：
- The team came to help us.
- A doctor rushed in to save the child.