问题
Have you ___________ been to Beijing? —Yes. But only once.
A:never
B:ever
C:yet
D:before
B:ever
C:yet
D:before
正确答案是:
同类题型
We are entering the school. _______ your cigarette now.
Alice, is this your brother’s dictionary?— Let me see. Oh, no. ______ is in his school bag.
Whenever you are short of money, just come to me.—
She_______ballet before she entered film industry.
Why not take_______ umbrella with the sign “Made in china”? It is_______ useful one.