问题
选择题
. The young man，who by then admission to university，decided to do some part-time jobs to gain more practical experience．
A．gained
B．was gaining
C．has gained
D．had gained
答案
答案：D
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. The young man，who by then admission to university，decided to do some part-time jobs to gain more practical experience．
A．gained
B．was gaining
C．has gained
D．had gained
答案：D