北師大版高中英語選修六unit 16《stories》（lesson 5）配套練習(xí)-全文預(yù)覽
【正文】 ,30)We arrived at work in the morning and found that somebody into the office during the night. broken broken breaking 提示 :考查時態(tài)。由 before the Second World War 可知 ,前面應(yīng)用過去完成時態(tài) ,experiments 與 conduct之間是被動關(guān)系 ,故用過去完成時的被動語態(tài)。 答案 :B 6.(2021 北京 ,21)Experiments of this kind in both the Europe well before the Second World War. conducted been conducted conducted been conducted 提示 :考查時態(tài)和語態(tài)。由前面 was surpris
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