问题

known to all language learners, the newly learntwords will soon be forgotten unless ______ used in everyday communication.

A:gradually
B:frequently
C:accurately
D:familiarly

正确答案是：

同类题型

you have told him the answer had itbeen possible—I would have, but I ______so busy then.

_________he’s busy, _______ he can’t come to the party.

86. — What does your father do— He was a _________in the post officebut now he is promoted to the postmaster.

________ is known to us, May 12, 2008 was the day _______ Wenchuan earthquake happened.

Thank you for your help and I hope I can do something for you_____