问题描述：
请把下列句子变为被动语态
The wind blew down the big tree last night.
I think that he is right.
He had not thrown the bad food.
Mother was not mending the trousers.
They would not take him to Beijing.
Nobody knew me in this town at that time.
The wind blew down the big tree last night.
I think that he is right.
He had not thrown the bad food.
Mother was not mending the trousers.
They would not take him to Beijing.
Nobody knew me in this town at that time.
问题解答：
我来补答展开全文阅读