连词成句。(将下列单词组成通顺的句子)
（1）①this ②for ③is ④CD ⑤ you ⑥ !
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（2）①the ②where ③milk ④is ⑤.
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（3）①second ② the ③is ④ the ⑤ cat ⑥on⑦floor⑧.
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