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3、problem,notanyone in particular.8.Englishisoneofthe branches (branch)ofGermanicfamilyoflanguages.9.Wehadmanydifficultiesatfirst,but eventually (eventual)wesucceeded.10.Weshoulduseourschedule flexibly (flexible)tobalanceouracademicandsparetime.Ⅱ.单句改错(每句一错)1.Afteralongjourney,hehasruno