题干

The young man, who by then ___ admission to Peking University, determined to do some part-time jobs to gain more practical skills.
A.gained B.was gaining
C.has gained D.had gained
上一题 下一题 0.64难度 单项选择 更新时间:2015-03-02 10:31:38

答案(点此获取答案解析)