题目

All the others seem to know each other and I began to feel ________.   A. given away              B. left out                  C. turned down   D. fallen behind 答案：B 解析: 略填＞、=、＜ (1) 10○7 (2) 5○2 (3) 8○9 (4) 0○9 (5) 5○7