：几个句子改为被动语态 1.You may answer the question by yourself an hour2.They will visit the new school tomorrow 3.I saw him play the piano at home 4.We have built a now bridge in WanZhou

1，The question may be answered by you in an hour.
2,The new school will be visited by them tomorrow.
3.He was seen to play the piano at home.
4,A new bridge has been built in Wanzhou.

1---The question should be answered by yourself in an hour.
2---The new school will be visited tomorrow.
3---He was seen playing piano at home.
4---A new bridge has been built in WanZhou.
呵呵，我是英语专业大三的学生了，这些答案都没有问题的。放心地用吧！

1.The answer may be answered by yourself in an hour.2.The new school will be visit by them tomorrow.3.He was seen to play the piano at home by me.4.A new bridge had been built by us in WanZhou.(你第4...

1\The question should be answered in an hour.
2\The school will be visited tomorrow.
3\He was seen to play the piano at home.
4\A new bridge has been built in WanZhou.