问题

Not until I began to work ________ how much time I had wasted.
A:didn’t realize
B:did I realize
C:I didn’t realize
D:I realized
B:did I realize
C:I didn’t realize
D:I realized
正确答案是:
同类题型
133. If you ____________ doing something or having something, you must do it or have it.
13 — How long has he been in the army?— Oh, he joined the army as far ____ as 1997
Only when I left for America ____________ how much I missed my parents.
I don’t understand how he can say that everything isfine _____ it’s so obvious that it’s not