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teacher39。change 。changing 。 ( ) light can be used _____ clearly in the dark. seeing seeing looking at ( )2.— When was the car invented? — It _____ in 1895. invented invented A C Exercise ( ) puter was invented _____ lives. our day our day our everyday our daily ( ) is _____ a great invention that it39。 People39。s used in our daily lives.(教材第 42頁(yè)) daily 形容詞,意為“每日的,日常的”,用作 lives的定語(yǔ)。 .:There39。 ④ find out 指經(jīng)過(guò)觀察、調(diào)查,把某事、某物查出來(lái),搞清楚、弄明白。 ② discover 指發(fā)現(xiàn)或偶然發(fā)現(xiàn)原來(lái)就存在但一直未被認(rèn)識(shí)的事物。Unit 6 When was it invented? The First Period Sec