Period Three Grammar
基础落实
Ⅰ.将下列句子变为被动语态
1．They had built forty factories by 1990.
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2．We had learned 1,500 English words by the end of last term.
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3．They had caught a thief.
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4．They had considered him to be a great leader.
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5．He came and told us that he had finished the work.
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6．When she came back home，she found that someone had broken into her house.
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Ⅱ.将下列直接引语变为间接引语
1．“My parents are very well，” said Tom.
