问题

Not until I was a senior student_________the importance of English.
A:I have realized
B:did I realize
C:have I realized
D:I realized
B:did I realize
C:have I realized
D:I realized
正确答案是:
同类题型
May I go out with you tomorrow? —If your job ______by then.
There is_______ old basketball under_______ bed. I like to play_______ basketball.
Thanks ______ your letter and the photos. — You are welcome.[ ]
Were you at home at that time?— No, I ______ dinner with my friends in a restaurant.
Amy improved her way of study. _________, she has made great progress.