2025年课堂作业武汉出版社九年级英语下册人教版第86页答案
He has been in the League for three years.
他入团已有三年了。（表示在团内的状态可延续。）
He joined the League three years ago.
他三年前入团。（表示入团的短暂行为。）

答案

(错)Tom has written a letter to his parents last night.
(对)Tom wrote a letter to his parents last night.

答案