题目内容
Make sentences. (连词组句)
1. are what doing there you (?)
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2. leaves up they picking are (.)
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3. an doing experiment is he (.)
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2. leaves up they picking are (.)
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3. an doing experiment is he (.)
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1. What are you doing there?
2. They are picking up leaves.
3. He is doing an experiment.
2. They are picking up leaves.
3. He is doing an experiment.
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