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children ____ swim last month and they can swim very well now. A. are taught B. were taught C. were taught to ( ) is said that potato chips _____by mistake about one hundred years ago. A. were invented B. invented C. are invented C B C A C Grammar focus 被動語態(tài)綜合練習(xí) 一、用所給詞的適當(dāng)形式填空。 are late, all the tickets __________(sell) out an hour ago. type of cellphone ____________(make )in Shenzhen. story __________(happen) in a magic land. 4. Her homework ____________________(finish) yet, so she is still working on it now. _____ the sports meeting _____________(hold)? , a new road ______________(build) in that area. dirty clothes must ____________(wash) at once. roses ______(smell) sweet. is well _______(know) that the Great Wall is the symbol of China. were sold were made happened hasn’t been finished will be held is being built be washed smell known be的某一時態(tài)形式 + 二,將下列句子改為被動語態(tài)。 use radios to learn English in the past. _____________________________________________ will show me the photo. ______________________________________________ have raised much money for the Project Hope. ______________________________________________ often hear Mary sing English songs at home. _______________________________________________ mustn’t throw litter about. ________________________________________________ policeman is running after a thief in the street. _________________________________________________ can visit plas like Mars. _________________________________________________ Radios were used to learn English in the past. The photo will be shown to me. /I will be shown the photo by Jack. Much money has been raised for the Project Hope. Mary is often heard to sing English songs at home. Litter mustn’