—I studied in the United States for 3 years. —_______.
#80720
A
So I did.
B
So was I.
C
So did I.
D
So do I.
推荐题目
 Not until he took off his sunglasses _______ him.
#80374
A
I recognized
B
I did recognize
C
did I recognize
D
do I recognize
---Marry had a good time at the party.---____and so did I.
#83801
A
So she had.
B
So had she
C
So she did
D
So did she
 Not until I began to work ______ how much time I had wasted.  
#81906
A
didn't I realize   
B
did I realize  
C
I didn't realize 
D
I realize
Only when you ______ what you have learned to practice ______ say you have made it. 
#83122
A
stick; can you
B
apply; can you
C
use; you can
D
appeal; can you
When doing my homework,________.
#80810
A
I heard the doorbell ring
B
the doorbell rang
C
my mother came in
D
my mother was cooking