—How much do you know about the 3D film technology?—A little. Not until _______the hot movie Avatar _______ some about it.
#82709
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
 He was so absorbed in his work that not a sound ______.
#83054
A
did she dare to make
B
dared she to make
C
she didn’t dare to make
D
she dared to make
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
After the patients went into the office,__working. 
#83891
A
only a doctor did they see
B
only a doctor saw they
C
only a doctor they saw
D
only a doctor had they seen
When_______help, one often says “Thank you.” or “It’s kind of you”. 
#84389
A
offering
B
to offer
C
to be offered
D
offered