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Unit 7 In this unit, I will . . .
Good Idea! • talk about past habits.
• talk about inventions.
• describe how to use an invention.
• write facts and opinions about a
favorite invention.
Look and answer.
1. Where are these people?
2. What are they doing?
3. What are they wearing?
4. Write a caption for this photo.
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Space projection helmets,
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