Matching Pairs ExpectationsOnline version Interchange 3 Unit 5 Grammar Focus by Mariana Alvarado 1 If the service in a restaurant is acceptable, 2 When you meet someone for the first time, 3 When you receive an invitation, 4 If someone sends you a gift, 5 When you go out with friends for dinner, 6 If you plan to visit someone at home, it's the custom to leave a tip. you're expected to respond to it quickly. it's acceptable to share the expenses. you aren't supposed to kiss him or her. you're supossed to call first. you're expected to respond to it quickly.
