连词成句。1. spend, his, David, how, weekends, does (?)
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2. we, in, often, fireflies, the, evening, catch (.)
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3. from, learn, I, lot, the, can, a, book (.)
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4. talking, are, the, their, students, weekends, about (.)
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5. you, surf, every ,do ,Internet ,day ,the (?)
___________________________1. How does David spend his weekends?
2. We often catch fireflies in the evening.
3. I can learn a lot from the book.
4. The students are talking about their weekends.
5. Do you surf the Internet every day?