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3. Did you clean up your room last night? Was your room cleaned up last night? 4. My mother bought me a new CD player. I was bought a new CD player by my mother. / A new CD player was bought for me by my mother. 5. We saw Jim e in. Jim was seen to e in. Homework Master what you have learned in this lesson. Learn to talk about the history of inventions with the passive voice in the simple past tense . 。 built D. Did。 built B. Was。 Exercises 1.( )The mobile phone has influenced people’s life a lot since it ____. A. invents B. invented C. is invented D. was invented 2. ( ) _____ is waiting for you at the gate. He wants to say thanks to you. A. Somebody B. Anybody C. Everybody D. Nobody D I. 單項(xiàng)選擇。 (2) all of a sudden意為“突然;猛地”,相當(dāng)于副詞 suddenly。 (1) sudden (happening quickly and unexpectedly) 形容詞,意為“突然 (的 )”。 ? Is there anybody who can help me? 有人能幫我嗎? ? Anybody can do the work well. 任何人都能把這項(xiàng)工作做好。 ? There is somebody waiting to see you. 有人在等著見你。 somebody不定代詞,意為 “ 某人;重要人 物 ” ,用于肯定句中。 ?This sweater is on sale at a low price. 這件毛衣正以低價(jià)出售。 low形容詞,意為“低的;矮的”, 常用短語 at a low price 意為“以低價(jià)”。 Jim asked Tom to go for a walk. Tom was asked (by Jim) to go for a walk. ④ 如果賓語補(bǔ)足語是不帶 to的動(dòng)詞不定式, 主動(dòng)語態(tài)變成被動(dòng)語態(tài)時(shí)要加上不定式符 號(hào) to We often heard Kate sing in the room. Kate was often he