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________________________ 5. 在其它星球______________________________ _______________ UFOs 的信息 _______________________ UFOs___________________________ _____________________________ 。 My mother ____ _______ _______ ___________while my father ____ _________ ____ _______________ yesterday. 昨天我媽媽在打掃衛(wèi)生時(shí),爸爸到家了。 He went _________ the bank. 2. Even scientists aren’t sure whether there are UFOs. 譯:________________________________________ I’m not sure whether/if robots will make humans lose their jobs. 譯:_______________________________ 點(diǎn)撥: sure 當(dāng)然 (副詞 ) 單獨(dú)使用 。 He ________ __________ __________ himself. 保泥土足夠堅(jiān)硬。 I ________ _____ __________, I ___________ _______ ________ his brother yesterday. 4. No one really knows. 譯: ________________________________ 點(diǎn)撥: no one 相當(dāng)于 nobody, 作主語(yǔ)時(shí)后面的謂語(yǔ)動(dòng)詞用 ______數(shù)。 _______ ____, ____ you’ll _______ the early bus. = ____ you _______ ________ ____, you’ll ______ _____ ______ ______. !要不然車(chē)會(huì)撞到你的。 He is not sure if he will win. 。 We want to know if it will rain tomorrow. 譯:我們想知道明天是否會(huì)下雨。 Everybody knows h