将这个对话按正确的表达顺序重新排列，用数字写在句子前的括号内。（每小题2分，共12分）
(     ) Mom, where is my car?
(     ) Is it in your bag? 
(     ) Is it in the toy box?
(     ) Yes, it is. 
(     ) Thanks, Mum.
(     ) No, it isn’t.