I _______ carefully but could _____
| I _______ carefully but could _______ nothing. |
| [ ] |
| A. listened, hear B. heard, listen C. listened to, hear D. hear, listen to |
可能相似的问题
你能帮帮他们吗
| I _______ carefully but could _______ nothing. |
| [ ] |
| A. listened, hear B. heard, listen C. listened to, hear D. hear, listen to |
你能帮帮他们吗