7.He received several (官方的) letters this morning. 8.The government (拯救) the firm from bankruptcy by giving them a grant years ago. 9.Local people lined up to blood for the brave young man. 10.We are anxiously awaiting the of the negotiation. 11.She tried every means to her child of the bad habit. 12.She faced a about whether to accept the invitation or not. 13.The Yangtze river is a natural (屏障) to the northeast.

official

rescued

donate

outcome

cure

dilemma

barrier