高等继续教育 / 大学英语II
正确率：100%
题型描述: 单选题
In the USA, he made a lot of friends ＿＿＿＿＿＿ English well so he could make himself ＿＿＿＿＿＿.
A.to learn, understood
B.learn, understand
C.learning, understood
D.learn, understanding
In the USA, he made a lot of friends ＿＿＿＿＿＿ English well so he could make himself ＿＿＿＿＿＿.
A.to learn, understood
B.learn, understand
C.learning, understood
D.learn, understanding
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