问题描述：
将下列句子变成被动语态的句子吧,如1.He often helps them.2.She took me to the hospital yesterday
1.He often helps them.
2.She took me to the hospital yesterday.
3.A lot of people speak English in the world.
4.Tom will sweep the floor tomorrow.
5.They are building a new school in the village.
1.He often helps them.
2.She took me to the hospital yesterday.
3.A lot of people speak English in the world.
4.Tom will sweep the floor tomorrow.
5.They are building a new school in the village.
问题解答：
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