问题
选择题
| He'll stay in Beijing for _______. |
A. sometime B. sometimes C. some time D. some times |
答案
答案：C
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| He'll stay in Beijing for _______. |
A. sometime B. sometimes C. some time D. some times |
答案：C
缺失，求做可摘局部义齿修复，检查口内情况，余留牙健康。