题目内容
47. ____ in thought, he didn’t notice me when I came into his room.
| A.Burying | B.Buried | C.Put himself | D.To be set |
B
解析
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题目内容
47. ____ in thought, he didn’t notice me when I came into his room.
| A.Burying | B.Buried | C.Put himself | D.To be set |
B
解析