—Do you know when the television was invented?
| —Do you know when the television was invented? —Yes, it was invented______ 1927. |
| [ ] |
| A. in B. at C. on D. of |
可能相似的问题
你能帮帮他们吗
| —Do you know when the television was invented? —Yes, it was invented______ 1927. |
| [ ] |
| A. in B. at C. on D. of |
你能帮帮他们吗