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【答案】1. She isn't a nurse. 2. That is my mother. 3. He is a policeman. 4. These are our sisters. 5. What color is the sky?
【解析】
1.句意:她是个护士。句子中有系动词be的句子,变否定句时,在系动词is后直接加not,缩写成isn't,故答案为She isn't a nurse.
2.句意:这是我妈妈。用that代替this即“那是我妈妈”。故答案为That is my mother.
3.句意:他是个医生。用policeman代替doctor即“他是个警察。”。故答案为He is a policeman.
4.句意:这是我姐姐。this改为these, s改为are,my改为our,sister.改为sisters,故答案为These are our sisters.
5.句意:天空是蓝色的。划线部分是颜色,用What color“什么颜色”来提问,句子剩余部分变成一般疑问句跟在后面,故答案为:What color is the sky?