leaf n. 叶子 复数形式为:leaves, 类似的变化还有:wife-wives, wolf-wolves, knife-knives等. 查看更多

 

题目列表(包括答案和解析)

I teach my friend English. (改为复数形式)

                                   ___________________________________                                  

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This is a tomato.(改为复数形式) ?

These ?                   . ?

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He is a new student.(改为复数形式)

      ______ _______new______        .

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句型转换

I am a student.(改为复数形式)

We _________ _________.

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That is his sister.(改为复数形式)

  ______ ______ his ______.

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同步练习册答案