He failed the final examination and only then ____ how much time he had wasted.
A.he realized | B.had he realized |
C.he had realized | D.did he realize |
推荐试卷
He failed the final examination and only then ____ how much time he had wasted.
A.he realized | B.had he realized |
C.he had realized | D.did he realize |
试题篮
()