28.-_____________.-No,thanks,I’m just look

28.-_____________.-No,thanks,I’m just look
28.-_____________.
-No,thanks,I’m just looking around.I’ll let you know if I want anything.
A.Could you help me?
B.What will you buy?
C.Can I help you?
D.Do you like to look around?
29.–Could you run over to the store right away?We need a few things.
-_____________?
A.Yes,I could.I want to play football.
B.For me.Running is not a problem.I’dlike to do exercises.
C.Yes,store a few things away is quitenecessary,right?
D.All right,what do you want me to get?
30..–When wouldyou like to schedule the appointment?
-___________.
A.I like to schedule the appointment.
B.How about 9:00 tomorrow?
C.I’m afraid not.
D.Wonderful!See you then.

C,D,B

这个解释是对的