6、_____colalastnight.2.__________ youbeforecrossingthestreets.3.I ___________him for keeping me waiting.4.Thealarm(警铃)_________whenIwasgoingasleep.5.Mywindow__________intoastreet.II.noise,sound和voice的区别 1.noise是“噪音”的意思,即不悦耳的、不和谐的或任何令人讨厌的声音。2.sound是“声音”的意思,指一切可以听到的