1 . It is a tradition for Chinese people to ________ out their houses before the Spring Festival. (用适当的词填空)

2 . But hope was not lost. Soon after the quakes, the army sent 150,000 soldiers to Tangshan to dig out those who were ________ and to ________ the dead……Slowly, the city began to ________ again. (根据句意填空)

3 . He started to____about this wicked world but was interrupted by a shock at the door. ( 根据句意填空)