句型转换。
1．We started music class at 7:30 today.(对画线部分提问)
__________ __________ you ___________music class today?
2. She has been doing homework since an hour ago．(对画线部分提问)
__________ __________ __________she__________ __________homework?
3. He began to listen to BBC English half an hour ago.(改为同义句)
He__________ __________ __________ __________ BBC English__________ __________ __________ __________．
4.I began to learn English at the age of five.(改为同义句)
I began to learn English__________ __________ __________ __________．
5.I went to the party, too.(改为否定句)
I__________ __________ __________ __________the party,__________．
