Unit 10 May I help you? A：May I help you? B：Yes, I’m looking for a watch for my boyfriend. A：Certainly ma’am. What kind were you thinking of? B：I’m not sure but black is my boyfriend favorite. A：I see, a black watch. This one is very nice. B：Oh, yes. It really is nice. How much is it? A：It’s two hundred dollars. B：Two hundred dollars? That’s too much. A：How about one hundred and eighty? B：Okay, I’ll take it. A：How would you like to pay? Cash or charge? B：I’ll pay by cash. A：Here is your change, twenty dollars. Thank you. Please come again.