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写出下面单词的复数形式 this that it写出下面单词的复数形式this that it she he is parent friendbrother family

题目详情
写出下面单词的复数形式 this that it
写出下面单词的复数形式
this that it she
he is parent friend
brother family
▼优质解答
答案和解析
these those they they