【单选题】(Even though) he (had been studying) English for three years (before) he came to England, it is still difficult for him to make himself (understand).
A.Even though
B.had been studying
C.before
D.understand
网考网参考答案:D
网考网解析:
暂无解析
查看试题解析出处>>
发布评论 查看全部评论