Firemen had to ______ the door ______ to reach the people trapped inside.Abreak … down

Despite ______ efforts, the firemen were unable to save the house.A．vacuousB．vanillaC．vali

At last they had to resort ______ forcing the door to rescue the boy.A．withB．againstC．from

______the door when a gust of wind blew the candle out.A．He had no sooner openedB．Hardly h

No sooner had I locked the door______the telephone rang.A．whenB．afterC．thanD．as

The father went to the door in______to a knock from outside.A．answerB．difficultyC．regardD．

There are two doors, one of which _______ to the living room and the other to the kitchen.