A person _____a foreign language most be
题型:选择题
问题:
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 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