位置:首页 > 题库频道 > 学历类 > 升学考试 > 高中(高考) > 英语 > 高考英语介词和介词短语练习61

He is supposed ________ abroad, but no one knows which country he was in.

发布时间:2021-07-22

A.to be studying

B.to study

C.having studied

D.to have studied

试卷相关题目

返回顶部