____ back home after the party.
33.A big earthquake struck southern Haiti,knocking down buildings and power lines and causing__________ Its ambassador to the United States called a catastrophe.
32.Misunderstandings_____from lack of social communication,unless properly,may lead to serious problems.
30.They can’t afford to buy the latest equipment at present._______,they keep trying new ways to improve efficiency.
29.The young man,who by then admission to university,decided to do some part-time jobs to gain more practical experience.
28.—Now some parents deny_______to their children,and have become their slaves. —But this problem does not cause concern of the whole society.