Only when I made it to the train station _______ that I had left my ticket at home.
#82660
A
have I realized
B
did I realize
C
had I realized
D
would I realize
推荐题目
He is strict in everything and strict with everyone._____. 
#83881
A
My father is always such
B
My father is always so a strict man
C
Such is my father
D
So a strict man is my father
Only when your identity has been checked__________.
#84469
A
you are allowed to come in
B
You will be allowed to come in
C
will you allow to come in
D
will you be allowed to come in
Next door to ours _________, who has just returned form abroad.  
#82591
A
where lives an old man
B
where does an old man live
C
lives an old man
D
does an old man live
—Did you see who the driver was? —No, so quickly ____ that I couldn’t get a good look at his face.
#83140
A
does the car speed by
B
did the car speed by
C
the car sped by
D
the car speeds by