how much does the car cost中 does是神马?请问标题does起到的作用
问题描述:
how much does the car cost中 does是神马?
请问标题does起到的作用
答
does是助动词,帮助构成疑问句的句式
how much does the car cost中 does是神马?
请问标题does起到的作用
does是助动词,帮助构成疑问句的句式