Toku: Hi, excuse me. I (a) to buy a pot. How much are they?
Shop Owner: Well, the small one is three yen and the big one is six yen.
Toku: OK, then I (b) buy a small pot. Here is the money...
Shop Owner: Yes, thank you.
Toku: Thanks, bye! ...Ha, ha, ha, now I (c) the shop again. ...Excuse me!
Shop Owner: Oh, hi! It's you again! Did you forget something?
Toku: No, no, (d) . I want a big pot instead of this small one. Is that OK?
Shop Owner: OK, (e) .