For many years, people electric ears. However, making them has been more difficult than predicted. A. had dreamed of B. have dreamed of C. dreamed of D. dream of 查看更多

 

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 For many years, people __ electric ears. However, making them has been more difficult than predicted.

  A. had dreamed of      B. have dreamed of       C. dreamed of         D. dream of

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 For many years, people __ electric ears. However, making them has been more difficult than predicted.

  A. had dreamed of      B. have dreamed of       C. dreamed of         D. dream of

 

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 For many years, people __ electric ears. However, making them has been more difficult than predicted.

  A. had dreamed of      B. have dreamed of       C. dreamed of         D. dream of

 

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For many years, people __ electric ears. However, making them has been more difficult than predicted.

A. had dreamed of   B. have dreamed of    C. dreamed of     D. dream of

查看答案和解析>>


For many years, people __ electric ears. However, making them has been more difficult than predicted.

A.had dreamed ofB.have dreamed ofC.dreamed ofD.dream of

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