◎ 题干
句型转换。
小题1:The boy has been to the U.S.A. twice.(对画线部分提问)
How ___________ ___________ has the boy been to the U.S.A.?
小题2:Mom felt tired after she cooked for the whole family.(改为简单句)
Mom felt tired after ___________ for the whole family.
小题3:Mr. Brown and his wife have been married for 20 years. (改为同义句)
Mr. Brown and his wife ___________ ___________ 20 years ago.
小题4:Lisa didn’t hang out with her friends yesterday. (改为肯定句)
Lisa ___________ out with her friends yesterday.
小题5:Some reporters are interviewing a government official on traffic problems now.(改为被动语态)
A government official is _________ _________ by some reporters on traffic problems now.
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“句型转换。小题1:The boy has been to the U.S.A. twice.(对画线部分提问)How ___________ ___________ has the boy been to the U.S.A.?小题2:Mom felt tired afte…”主要考查了你对  【零冠词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。