Not once ________ to Michael that he could one day become a top student in his class.
#81022
A
occurred it
B
it did occur
C
it occurred
D
did it occur
推荐题目
___shortly after it stopped raining. 
#83894
A
There appeared a colorful rainbow in the sky
B
In the sky did a colorful rainbow appear
C
There a colorful rainbow appeared in the sky
D
There in the sky a colorful rainbow appeared
Not until the heavy snow blocked the express ____ how serious the weather was. 
#80740
A
the villagers did realize
B
the villagers realized
C
did the villagers realize
D
didn’t the villagers realize
 –You’ve left the window open. –______. I’ll go and close it.
#80231
A
So I have
B
So have I
C
So I did
D
So did I
—As an old saying goes: “Opportunities favor the prepared mind.”—Perfectly! Now ______.
#80954
A
the chance comes
B
does the chance come
C
comes the chance
D
the chance did come