问题描述：
1.Some question ______at their class meeting last week?A raised B rose C were risen D were raised
2.My father often ____that piece of music alone at home .(joy)
3.After the earthquake,people have to rebuild many houses.(改为被动语态）
After the earthquake,many houses have to ___ _____.
4.The old man has planted many trees since he came to live here.(改为被动语态）
Many trees____ ____planted by the old man since he came to live here.
2.My father often ____that piece of music alone at home .(joy)
3.After the earthquake,people have to rebuild many houses.(改为被动语态）
After the earthquake,many houses have to ___ _____.
4.The old man has planted many trees since he came to live here.(改为被动语态）
Many trees____ ____planted by the old man since he came to live here.
问题解答：
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