—Who is singing in the next room?
| —Who is singing in the next room? —______ must be Mary. |
| [ ] |
| A. She B. This C. It D. He |
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1年前4个回答
你能帮帮他们吗
| —Who is singing in the next room? —______ must be Mary. |
| [ ] |
| A. She B. This C. It D. He |
1年前4个回答
你能帮帮他们吗