【题目】How long would the man work in the library?
A.5 hours.B.3 hours.C.4 hours.
在线课程【答案】C
【解析】
【原文】
M: I would work for hours in the library. I would go in at 1:00 and come back at 5:00. I was responsible for everything.
W: OK. I'll meet you at 6:00 this afternoon.