While Jane _______ the piano, her mother
| While Jane _______ the piano, her mother came in. |
| [ ] |
| A. played B. is playing C. was playing D. plays |
可能相似的问题
你能帮帮他们吗
| While Jane _______ the piano, her mother came in. |
| [ ] |
| A. played B. is playing C. was playing D. plays |
你能帮帮他们吗