KeytoB4U1Preparation3,P26.Whenyoubuysomethingfromanendingmachine,ifyouinsertmorethanenoughmoney,themachinewillreturnthechange,inth...
Unit1Partonepreparation1.1）Gentle2）Dedicated3）Considerate4）Adventurous5）Calm6）Aggressive7）Critical8）Energetic9）Selfish10...
