【新思路】2018-2019学年外研版高一英语必修3教学课件: Module 3-3Grammar1
【新思路】2018-2019学年外研版高一英语必修3教学课件: Module 3-3Grammar1第3页

Which event happened first? a. the tornado ending b. 700 people dying c. traveling back to Canada d. being buried in Texas 2. How can you show that one event happened before another?

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By using a tense which is further in the past.