问题
选择题
| — Where is your mother? — She ______ to Beijing on business, she will be back in a week. |
A. goes B. went C. has gone D. has been |
答案
答案：C
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| — Where is your mother? — She ______ to Beijing on business, she will be back in a week. |
A. goes B. went C. has gone D. has been |
答案：C