Module 5 Shopping Unit 1 What can I do for you教学目标1. To understand conversations.2. Talking about going shopping.3. Questions: What...? How many / much...?教学重点Key vocabulary: market, supermarket, biscuit, lemon, strawberry, Mother's Day, size, take, may, try, try on, certainly, wait a minute, sale, price, look, fresh, advantage教学难点Key structures: 1) Can I help you? / What can I do for you? 2) I'd like..