问题描述：
单句变复句,把句子中单数词变成复数词
1.She is her cousin .______ ______her ______
2、He is my son .______ ______ my ______
3、It is my watch .
1.She is her cousin .______ ______her ______
2、He is my son .______ ______ my ______
3、It is my watch .
问题解答：
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