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