问题
How much do you know about the 3D film technology–A little. Not until ____the hot movie Avatar____some about it.
A:did I see,did I begin to learn
B:I saw, Ibegan to learn
C:I saw, did Ibegin to learn
D:did I see, Ibegan to learn
B:I saw, Ibegan to learn
C:I saw, did Ibegin to learn
D:did I see, Ibegan to learn
正确答案是：
同类题型
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I’m sorry I’m late for work _______ the heavy traffic this morning.
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his old age,we didn’t invite him to climb the mountains with us. [ ]