4
A. Not at all.
B. It's over there.
C. This way, please.
D. No problem.
5
All right.
B. Glad to see you.
C. Go along the street.
D. Take it easy.
6
A. Yes, please.
B. No idea.
C. Yes, I can.
D. Good luck.
7
A. On foot.
B. On Sunday.
C. By bus.
D. In cash.