As is known to all language learners, ne
题型:选择题
问题:
As is known to all language learners, newly learnt words will soon be forgotten unless ______ used in everyday communication.
A.exactly
B.finally
C.gradually
D.frequently
As is known to all language learners, newly learnt words will soon be forgotten unless ______ used in everyday communication.
A.exactly
B.finally
C.gradually
D.frequently