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 ---John,whyareyousoupset?  ---I­­­      mycellphoneall...

練習題2.02W

問題詳情:

 ---John,whyareyousoupset?  ---I­­­      mycellphoneall...

 ---John, why are you so upset?

   ---I­­­       my cell phone all morning but it is nowhere to be found.

   A. am looking for               B. have been looking for    

C. have looked for          D. had looked for

【回答】

B

知識點:動詞時態與語態

題型:選擇題