Have you ever heard of Alexander Graham Bell,__inventor of__ telephone?

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• Have you heard of Alexander Graham Bell?--- Yes,he invented __telephone in 1876.为什么用a
• 英语问题（复合句）1.She is rich,and_____is better still,very beautiful.A.what B.it C.who D.which2.This book will show you_____can be used in other contexts.A.how you have observed B.that you have observedC.how what you have observed D.how that you have observed 3.They always give the availables seats to_____comes first.A.whoever B.whom C.which D.whomever4.The telephone,_____,was the invention of Alexander Graham Bell.A.as is know by us B.which we knowC.as we k
• Have you ever heard of Alexander Graham Bell,__inventor of__ telephone?
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