He found it increasingly difficult to read. his eyesight was beginning to fail. A.and B.for C.but D.or 答案 B 解析 for因为.句意为:因为视力开始下降.他发现读点东西越来越吃力了. 查看更多

 

题目列表(包括答案和解析)


同步练习册答案