1.His mother bought him a new toy car.(写出同义句）
His mother bought a new toy car for him.
2.The Chinese people like eating noodles and dumplings very much.(写出同义句)
Noodles and dumplings are nice in China.]
3.Peter made some mistakes in his homework.(变成否定句)
Peter doesn't made any mistakes in his homework.
4.We had a good time at Children's Palace last week.(变成一般疑问句)
Do you have a good time at Children's Palace last week?