题目内容
If we _____ the tickets half a year ago, we would not be able to visit it on May Day now.
| A.did not book | B.had not booked |
| C.would not book | D.would not have booked |
B
略
练习册系列答案
相关题目
题目内容
| A.did not book | B.had not booked |
| C.would not book | D.would not have booked |