问题
选择题
| _____ in his study, he didn't know that all the others had left. |
A. Buring B. Buried C. Buried himself D. He buried |
答案
答案：B
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| _____ in his study, he didn't know that all the others had left. |
A. Buring B. Buried C. Buried himself D. He buried |
答案：B