Match the expressions (1-5) to the functions (a-e 1. If you order more, well give you a discount. 2. What exactly do you mean? 3. I'd like to think about it. 4. I'm not sure about that. 5. Right, i think we've covered everything. a) Refusing an offer b) Playing for time c) Making offers and concessions d) Closing the deal e) Checking understanding