题目内容
A person _____a foreign language most be able to use the language ______all his own.
A.learning ,forgetting B. to learn, to forget C. using ,but D. who learns ,to forget
A
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题目内容
A person _____a foreign language most be able to use the language ______all his own.
A.learning ,forgetting B. to learn, to forget C. using ,but D. who learns ,to forget
A