题目内容
句型转换
We have similar opinions．
My opinions are _________ his．
We have learned more than 3 000 new words by now.
We have learned ________ 3 000 new words ________ ________.
We have brought down the price.
The price ________ ________ _________ _________by us.
We have taken measures to protect natural resources from being destroyed．
We have taken measures to _________ natural resources _________ being destroyed．
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