问题
选择题
| You can see the bright Yao Ming today, but can't imagine what a hard time he had _____ himself home and abroad before. |
A. training B. trained C. to train D. train |
答案
答案：A
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| You can see the bright Yao Ming today, but can't imagine what a hard time he had _____ himself home and abroad before. |
A. training B. trained C. to train D. train |
答案：A