1.你的狗把那个孩子吓了一跳.
Your dog _scared___the child.You ____should_ __take___ your dog home.
2.请安静,别在教室里大声喧哗.
___Be_ ____quiet .Don't __make__such __a _noise___in the classroom.
3.They were not afraid of the dog any more.（改为同义句）
They were __no__ ___more_ afraid of the dog .
4.I could ride a bike when I was 5 years old.(改为同义句）
I could ride a bike ___at_ ___the_ ___age_ __of__ __5__.