题目

. The post-Expo fate of foreign pavilions, especially those _____ tens of millions of dollars, has aroused strong interest among the public.        A. cost                         B. costing                     C. having costed            D. costed 答案：BThe archaeologists all find_____ to prepare for the worst conditions they might meet during the restoration.A.worthyB.it worthwhileC.it worthD.worthy it