www thuvienhoclieu com www thuvienhoclieu com UNIT 12 PREPOSITIONS A Put in the correct prepositions 1 We give each other presents Christmas 2 Don’t sit the floor 3 I’m going away the end of January 4 I met Tom the street yesterday 5 They sent me a cheque $ 50 6 There has been some decrease military spending this year 7 Nobody knows what the cause the explosion was 8 Do you think we’ll find a solution this problem? 9 Have you ever read any books Mark Twain? 10 It’s unreasonable you to expect her[.]