.---How much do you know about the 3D film technology？
----A little , not until ____the hot movie Avata_____some about it.
| 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 |
推荐试卷
.---How much do you know about the 3D film technology？
----A little , not until ____the hot movie Avata_____some about it.
| 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 |
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