题目

阅读短文，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  (notice) a trolley driver couldn't see well when it was snowing. At that point, drivers had to open the window  (clear) it, letting snow and rain into the vehicle. As a solution, Anderson designed and patented wood and rubber arms  would push rain and snow off the window at the pull of a lever (控制杆). But she was told her  (invent) was distracting and impractical, and she never profited from her design. 答案：【1】noticed【2】to clear【3】that/which【4】invention

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