问题
选择题
—It's already Monday. Sam lost his MP4 last Wednesday and he hasn't found it.
—Really? Do you mean _______? [ ]
A. did Sam lose his MP4 five days ago
B. Sam lost his MP4 for five days
C. it's five days since Sam lost his MP4
D. has Sam lost his MP4 for five days
答案
答案：C