连词成句
（1）Science, Social Science, and, like, I (. )
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（2）boys, to, welcome, girls, back, school, and  ( .)
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（3）this, term, have, subjects, seven, we ( . )
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（4）how, many, do, you, have, in, a, week, Chinese, lessons (? )
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（5）and, Miss Li, students, her, having, are, lesson, a ( .)
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