请英语大神速来,看不清的问我,谢谢!上面的5.6.7题为改成被动语态.

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请英语大神速来,看不清的问我,谢谢!上面的5.6.7题为改成被动语态.
请英语大神速来,看不清的问我,谢谢!上面的5.6.7题为改成被动语态.

请英语大神速来,看不清的问我,谢谢!上面的5.6.7题为改成被动语态.
5.was introduced
6.was told
7; been repaired by

5 is introduced
6 was told
7 been repaired by

5.is introduced 6.was told 7.is repaired by 这些题目都很简单只要be动词+动词的过去分词就行