Only then _____________ the importance of my teacher’s talk with me. 
#82025
A
realized I
B
I realized
C
did I realize
D
I did realize
推荐题目
 Only when something gets lost _____________.
#83115
A
can you realize how important it is to you
B
how important you can realize it is to you
C
you can realize how important it is to you
D
can you realize how important is it to you
Only after you have reached eighteen _______  the army.
#81983
A
you can join
B
can you join
C
you can join in
D
can you join in
I finally get the job. Never in my life _________ so happy.
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A
did I feel
B
I felt
C
I had felt
D
have I felt
Only after I read the book _______ why she devoted all her life to medical work forChinese women and children.
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A
I understood
B
had I understood
C
did I understand
D
I had understood