Only when he read this novel for a second time ________ to appreciate its beauty.
#82988
A
that he began
B
he began
C
had he begun
D
did he begin
推荐题目
These viruses, if ________ in, can result in illness or even death.
#81585
A
breathing
B
breathed
C
breathe
D
to breathe
—What are you anxious about? —_______.
#81619
A
How can we succeed
B
Whether we can succeed
C
When can we succeed
D
That we can succeed
Only after I read the book _______ why she devoted all her life to medical work forChinese women and children.
#82822
A
I understood
B
had I understood
C
did I understand
D
I had understood
Only then ___ that he had made a mistake.
#83769
A
he realized
B
did he realized
C
realized he did
D
did he realize