连词成句（注意标点符号、大小写）
1. he, is, a, flying, kite, (.)
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2. there, are, many, in, children, your, class, (?)
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3. about, there, are, twenty, classes, (.)
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4. we, have got, friends, more, in, China, (.)
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5. in, Picture, One, there, a, is, boy, (.)
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