... Institution 20 Our class is looking forward to taking the field trip Grammar, Usage, and Mechanics: Language Skills Practice 61 L09NAGUML9_0 52- 074.qxd 10 /21 /07 2: 48 AM Page 62 Simpo PDF Merge and Split ... 12, 1981 20 Where is the famous painting The Last Supper displayed? Grammar, Usage, and Mechanics: Language Skills Practice 69 L09NAGUML9_0 52- 074.qxd 10 /21 /07 2: 48 AM Page 70 Simpo PDF Merge and ... what you think 20 How puzzling some superstitions are! Grammar, Usage, and Mechanics: Language Skills Practice 47 L09NAGUML9_ 028 -051.qxd 10 /20 /07 3: 52 PM Page 48 Simpo PDF Merge and Split Unregistered...