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     —Somanytouristspourintosuchbeautifulplaces.      —...

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問題詳情:

     —Somanytouristspourintosuchbeautifulplaces.      —...

      — So many tourists pour into such beautiful places.

       — I think it necessary that they _____ be well preserved.

       A. can                         B. shall                        C. should                      D. may

【回答】

C

知識點:情態動詞

題型:選擇題

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