问题
选择题
| — Are we about to have dinner? — Yes, it _____ in the dining room. |
A. is serving B. is being served C. has been serving D. serves |
答案
答案：B
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| — Are we about to have dinner? — Yes, it _____ in the dining room. |
A. is serving B. is being served C. has been serving D. serves |
答案：B