John fell asleep ______ he was listening to the music. [
| John fell asleep ______ he was listening to the music. |
| [ ] |
| A. after B. before C. while |
可能相似的问题
你能帮帮他们吗
| John fell asleep ______ he was listening to the music. |
| [ ] |
| A. after B. before C. while |
你能帮帮他们吗