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 Havingawalkaftersupperiscertainlygoodfortheoldpeople,b...

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問題詳情:

 Havingawalkaftersupperiscertainlygoodfortheoldpeople,b...

 Having a walk after supper is certainly good for the old people, but it remains ______ whether they will enjoy it.

   A. to see                 B. to be seen             C. seeing                D. seen

【回答】

B

知識點:非謂語動詞

題型:選擇題

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