Liu Ming is said abroad for one year before he came to teach in our school．_刷题宝

题干

Liu Ming is said abroad for one year before he came to teach in our school．

A：to have studied

B：to study

C：to be studying

D：to have been studying

上一题下一题 0.0难度选择题更新时间:2019-02-20 01:37:30

答案(点此获取答案解析）

A

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