同义句 why don't you buy a pencil?why not buy a pencil对吗

why don't you have some rice?改成同义句 why don't you go with us?同义句 why don't you exercise more的同义句 why don't you cat up the pears?同义句 Why don't you walk to school?同义句 Why don't you like penguins?改为同义句 Why don't you come earlier?(改为同义句) Why don't you watch TV的同义句 Why don't you make fruit salad?同义句 why don't you eat some vegetables?(同义句转换) Why don't you ride a bike的同义句 Why don't you get her a scarf 同义句 Why don't you take a train''的同义句 Why don't you like pengguins 的同义句 Why don't you go to the park 同义句 why don't you taste the dish同义句 why don't you help clean the classroom同义句 Why don't you come earlier?(改为同义句）