Mary and I see each other but not as often as we used to. 21世纪教育网A. sooner or laterB. on

问题补充：

Mary and I see each other , but not as often as we used to. 21世纪教育网

A. sooner or later

B. once in a while

C. in the end

D. more or less 21世纪教育网

答案：

A. sooner or later

(答案→)B. once in a while

C. in the end

D. more or less 21世纪教育网

解析：本题考查短语的区别：sooner or later迟早；once in a while偶尔；in the end最后，结果；more or less几乎，差不多