When the fire had at last been put out.为什么是had ...been.

When the fire had at last been put out.为什么是had ...been. Had the fire been put out when you ___ 用get,reach,arrive的正确形 the day they had been looking forward to came at last 为什么用ca If the sports meet had not been put off last week,we___ ____ Nothing__after the terrible fire which had been caused by a Firemen had been fighting the forest fire before they could The book had been sold out when I got to the bookstore yeste 英语翻译When we missed the last time,it had been wrong all the b 英语At last the fire were put out 改错 Finally the manager adopted the best proposal---had been put The day-my birthday-I had been looking forward to __ at last At last,the time came for us to attack,____ we had been wait