题目内容：

阅读下列短文，根据短文内容填空。在未给提示词的空白处仅填写1个适当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。

During a trip to New York City, Alabama woman Mary Anderson 1. (notice) a trolley driver couldn’t see well when it was snowing. At that point, drivers had to open the window 2. (clear) it, letting snow and rain into the vehicle. As a solution, Anderson designed and patented wood and rubber arms 3. would push rain and snow off the window at the pull of a lever (控制杆). But she was told her 4. (invent) was distracting and impractical, and she never profited from her design.