问题
选择题
By the time he realizes he _____ into a trap, it'll be too late for him to do anything about it. |
A. walks B. walked C. had walked D. has walked |
答案
答案:D
By the time he realizes he _____ into a trap, it'll be too late for him to do anything about it. |
A. walks B. walked C. had walked D. has walked |
答案:D