新世界英语2008年12月四级翻译 87. Medical researchers are painfully aware that there are many problems (that/which) they haven’t been solved yet. 88. What most parents are concerned about is proving the best education possible for their children. 89. You’d better take a sweater with you in case it becomes chilly. 90. Through the project, many people have received training and decided to explore their own enterprise。 91. The anti-virus agent was not known until a doctor accidentally found it. 做题目赢E币，每日一练日积月累，点击进入做题专区