把下列句子变为复数形式. (1) This is my friend. (2) That is my pen. [单元语法点拨]——青夏教育精英家教网——

摘要：把下列句子变为复数形式. (1) This is my friend. (2) That is my pen. [单元语法点拨]

网址：http://m.1010jiajiao.com/timu3_id_2712679[举报]

把下列句子变为复数形式。

1. This is my friend.
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2. That is my pen.
______________________

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