a. Lan: Come in, Mark. Did you find my place easily? b. Lan: He goes to bed right after he comes home in the morning when there's no one at home. c. Mark: Yes, I actually met your dad in the street and he showed me the way. He said he was on his way to work. d. Mark: Working night shifts must be really hard. When does he sleep? e. Lan: That's right. My dad is a factory worker, so he works in shifts. Today he's on the night shift. (Adapted from Global Success)