练习册

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    对动词或动词词组提问时.丢掉代动词doing.例: The students are singing in the room. →误:What are the students in the room? →正:What are the students doing in the room? 解析:现在进行时态中对动作提问可记住此句式“What +be +主语+doing+其它? 或简写为“What......doing......? 句式. 【查看更多】

     

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