问题
选择题
| _________ my two sisters. And __________ my brother. |
A. This is, this is B. These are, this is C. These are, these are D. This is, these are |
答案
答案：B
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| _________ my two sisters. And __________ my brother. |
A. This is, this is B. These are, this is C. These are, these are D. This is, these are |
答案：B
