题目

 It is most _____that the environmentalists will come to the area to investigate the possible damage caused by the serious pollution. A.likely           B.perhaps         C.possibly     D.probably 答案：AOn the third floor there are two rooms, _____ is used as a meeting-room. 　　 [     ]A. one of them 　　　　　　B. the larger of which 　　C. and a larger of them D. the largest one of which