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
Câu hỏi trước
