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最佳答案：这是建议,所以只要表达回答者的意向即可,想做的话,ok/all right不想走的话no,i prefer driving.之类的.yes,it did.不,有
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最佳答案：you must be more carefully when go through the street
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最佳答案：否定may用can't或mustn't肯定用can回答
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最佳答案：Do Mary and Jane have two soccer balls?Yes,they do.No,they don't.
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最佳答案：Yes,I will. No ,I won't.
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最佳答案：一般疑问句 Are you good at english?否定回答No,I'm not肯定回答Yes,I am.
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最佳答案：肯定句是；Yes,you must.否定句是NO,you needn't.
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最佳答案：变一般疑问句 .否定句.否定回答.肯定回答I‘m a doctor.依次为：Are you a doctor?I'm not a doctor.Yes,I am
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最佳答案：Do you have a friend?No,I don't.Yes ,I do.
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最佳答案：The children cleaned the bus yesterday.过去式的否定:The children didn't clean the bus