（1） Speaker 1 （2） Speaker2 （3） Speaker 3 （4） Speaker 4 （5） Speaker5

A.We even need to spend time leading into a request. B.Using the right language will help you communicate better with other people. C.In different situations，good speakers may change the way they speak. D.In order to behave more politely，we usually use longer questions. E.We need to make both polite and correct questions when we ask for help.