高等继续教育 / 大学英语语法
正确率：100%
题型描述: 单选题
Ask him how much ＿＿＿＿＿.
A.did it cost
B.it did cost
C.it costed
D.it cost
Ask him how much ＿＿＿＿＿.
A.did it cost
B.it did cost
C.it costed
D.it cost
参考答案：