摘要：28．B本题考查被动语态的使用.travellers是应该被提醒.故选B项.
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将下面被动语态的句子改为主动语态
Li Ming was praised by the teacher yesterday.
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查看习题详情和答案>>将下面被动语态的句子改为主动语态
He will be sent to the USA to study by us.
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查看习题详情和答案>>观察下列句子中的画线部分，归纳出各种时态的被动语态的构成。
1．Rice is grown in the south of China．
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2．The computer is being used now．
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3．The work has been finished．
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4．The thief was caught yesterday．
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5．The girl was being operated on in the hospital．
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