中止远征日本、安南的对外战争是（）所做。
A、元成宗
B、元英宗
C、元文宗
D、元仁宗
参考答案：A
______ valuable experience, he asked to be sent to remote areas. [ ]
A. To gain
B. Gaining
C. Gained
D. Being gained
A．I= ，从上向下
B．I= ，从上向下
C．I= ，从下向上
D．I= ，从下向上
