1．in respect of this problem, we don't have to draw a________(结论)quickly. 2．be________(谨慎的)as the road is frozen. 3．by________(分析)the parts of the sentence we learn more about english grammar. 4．it has been________(通知)that mr. john and miss smith will get married next week. 5．the un sent food aid to haiti________(严重地)affected by the earthquake. 6．it is a great________(挑战)for him to govern the country well. 7．the river has been________(污染)seriously since the factory moved here. 8．
