​将下列句子改为主动句.英语 】将下列句子改为主动句.1.A birthday party will be given tomorrow .(改为主动句）2.We call maths the language of science .(改为被动句）3.Too many trees are still being cut down in the

​将下列句子改为主动句.英语 】
将下列句子改为主动句.
1.A birthday party will be given tomorrow .(改为主动句）
2.We call maths the language of science .(改为被动句）
3.Too many trees are still being cut down in the USA .(改为主动句）
4.They say that Mr Liu can speak German .(改为被动句）
5.It is said that he is a good doctor .(改为被动句）
6.A birthday party will be given tomorrow .(改为主动句）

  I will give a birthday party  tomorrow .

2.  Maths is  called  the language of science .

3.  People are cutting down too many trees in the USA .

4.  Mr Liu   is said   that   he  can speak German .

5.  He is said  to be a good doctor .

6. I will give a birthday party  tomorrow .