Matching Pairs Making SuggestionsOnline version Interchange 3 Unit 9 grammar 2 by Johnny Storm 1 Why don't you 2 It might be a good idea to check out 3 Have you thought about 4 What about joining 5 One option is to 6 Maybe you could take a running club? asking your friends to introduce you around? join a club. part in a singing group. do some volunteer work? the cultural events at the university.