--- How much do you know about the 3D film technology?--- A little. Not until ________ the hot movie Avatar ________ some about it.
#81294
A
did I see; did I begin to learn
B
I saw; I began to learn
C
I saw; did I begin to learn
D
did I see; I began to learn
推荐题目
Only when I left my parents for Italy     how much I loved them.
#83792
A
I realized
B
I had realized
C
had I realized
D
did I realize
 In no case ______ allowed to go on.
#84028
A
should such a thing be  
B
should not such a thing be
C
such a thing should not be
D
such a thing should be
Since          to the world, the dance “Gangnam Style” has gained greart great popularity.
#81271
A
introduced
B
introducing
C
being introduced
D
to be introduced