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tomorrow if possible. 可能的話,明天來。下面就這些詞的用法以例句的形式進(jìn)行一下簡單總結(jié)。 I can tell you the truth on condition that you promise to keep a ,條件是你答應(yīng)保守秘密。 Supposing it rains, shall we continue the sports meeting? 倘若下雨,我們的運動會還要繼續(xù)舉行嗎? Supposing something should go wrong, what would you do then? 假如出了什么問題,你準(zhǔn)備怎么對付? 4. provided ,除非,以……為條件 provided (that) +從句表示一種假設(shè)條件?! 纳鲜隼淇梢钥闯鰅f, unless, on condition (that), supposing, provided等詞引導(dǎo)的條件狀語從句,主從句條件關(guān)系分明,結(jié)構(gòu)清晰。練習(xí):單項選擇1. You will be late ____ you don’t leave immediately. A. unless B. until C. if D. or2. ____ you keep icecream in a fridge, it melts. A. Unless B. Until C. If D. Or3. If you ____ a fish out of water, it ____ . A. will take/will die B. take/dies C. will take/dies D. took/dead4. If you _____ your timetable every night, you ____ which books to take. A. will check/will know B. check/know C. will check/know D. check/will know5. You ____ toothache if you ____ your teeth regularly. A. will have/clean B. will have/do not clean C. have/will clean D. will have/will not clean6. I ____ the police and plain about that noise unless it ____ soon. A. shall telephone/stops B. shall telephone/does not stop C. telephone/will stop D. telephone/will not stop7. If you ____ the tickets with you, we ____ to enter the cinema. A. do not take/will not allow B. take/will not allow C. do no