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英语翻译Have you heard it before? 英语翻译——you go before you—home yesterday? 英语翻译?You’d better look before you leap. 英语翻译You .listen.the tape.before .the question 英语翻译you should stand still with respect before the employer 英语翻译please [ ] [ ] the door before you come in. 英语翻译 So think twice before you throw your books away! 英语翻译没打完，bridges long before you come to them. before you die you 英语翻译Before you （ ） the salad ,（ ） you have all the ingredients 英语翻译You have to be 18 years old before you are allowed to drive. 英语翻译You said to me, I had thought it over before you akded. 英语翻译before 开头 before you leave the room make sure that all the lights are turned off 这个翻译对么? look before you leap. look before you Spring comes before you Think twice before you Look before you