—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;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 Avatar __________ 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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