题目

把下列句子改写成被动语态。 （1） Mary has locked the door. （2） She has told me about the story. （3） I have read this book many times . （4） We have completed all the preparations for the task, and we’re ready to start. （5） This company has produced new types of computer. 答案： 【1】The door has been locked. 【1】I have been told about the story. 【1】This book has been read many times . 【1】All the preparations for the task have been completed, and we’re ready to start. 【1】New types of computers have been produced.

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