-How was your final exam, Tom?-I’m sorry, dad. I failed and only then       the importance of studies.
#82011
A
I realized
B
I had realized
C
had I realized
D
did I realize
推荐题目
If _____ the same treatment again, he’s sure to get well.
#84538
A
giving
B
give
C
given
D
being given
They went into a small house but ___. 
#83913
A
no persons did they find
B
not a person found they
C
not a person did they find
D
not a person they found
 _____________, the little girl can help her mother with some housework.
#83056
A
Young as she is
B
Young as is she
C
As she is young
D
As is she young