During the tourist season, there are many people wandering in this city to see the old castles_____ in the sixteenth century.
Mistakes don’t just happen; they occur for a reason. Find out the reason, and then making the mistake becomes_______.
The plan just because people were unwilling to cooperate.
With the decision ______, the members present at the meeting were dismissed(解散).
All over the world the mobile phone has become _____ people would now call a necessity.
Either the driver killed in the car or the lucky passenger questioned by the police ______ them very puzzled how this accident has happened.