◎ 题干
根据句意,用括号内所给动词的适当形式填空。
1. By the end of last year, I ________ (be) to the West Hill Farm three times.
2. By the time I got up, Mom ________ (go) out for some exercise.
3. I ________ (learn) 1,000 English words by last term.
4. By 9 o'clock last night, we ________ (get) 200 pictures from the spaceship.
5. When I went into the classroom, the final bell ________ (ring). I was happy that I wasn't late.
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“根据句意,用括号内所给动词的适当形式填空。1. By the end of last year, I ________ (be) to the West Hill Farm three times.2. By the time I got up, Mom ________ …”主要考查了你对  【助动词的过去式】【过去完成时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。