书面表达。
仔细观察，根据图示回答下列问题。每小题只限写一句话。
1. What are the students in Picture l doing?
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2. What do the students see while they are on their way home?
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3. What happens to one of the boxes on the truck?
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4. What is one of the students doing after he sees what has happened?
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5. What will the students and the policeman probably do with the wounded driver?
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