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______hisarrivalinCanada,Davidwasattractedbythebeautifu...
问题详情:________anefficientlearner,youmusthavegoodstudystrategies.A.Tobe B.BeingC.Havingbeen D.Tohavebeen【回答】A[考查非谓语动词。句意:为了成为一个有效率的学习者,你必须有好的学习策略。分析句子结构可知,此处...
问题详情:______WorldExpoShanghai2010is______greateventwhichisexpectingaround70millionvisitorsandtwohundredparticipantsfromallovertheworld.A.The;the B.The;a ...