As is known to all language learners, th
题型:选择题
问题:
As is known to all language learners, the newly learnt words will soon be forgotten unless they are _______ used in everyday communication.
A.gradually
B.sincerely
C.hopefully
D.frequently
As is known to all language learners, the newly learnt words will soon be forgotten unless they are _______ used in everyday communication.
A.gradually
B.sincerely
C.hopefully
D.frequently