Situation : At an appliance store
Bill : Excuse me.I have a problem with the cassette player I bought here last month.
Shopkeeper : ......... Sir.
Bill : It doesn't work at all. I don't know......
Shopkeeper : All right. I'll have it checked right away.
Bill : I'll...... next week
a. What can I do for you
b. What do you think of it
c. What seem to be the matter?
d. What model is it