How much do they cost对还是how much are the cost对How much do they co_其他解答

How much do they cost对还是how much are the cost对
How much do they cost对还是how much are they cost对

人气：187 ℃　时间：2020-01-29 14:10:30

解答

How much do they cost 对
因为原句里有一个动词了,要用助动词do