To remain on the safe side, we should not take thi...

Câu hỏi: To remain on the safe side, we should not take things for granted and should be able to cope with all kinds of contingency; in Salts, for in stance, the villagers ____________ for accommodating all the visitors.

A may have been unprepared                           

B need not to be prepared

C must not be prepared                                    

D may be unprepared

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