They have studied English for 20 years. They began to study English________

游客2025-06-22  4

问题 They have studied English for 20 years.
    They began to study English________.

选项

答案 20 years ago

解析 考查现在完成时和一般过去时转换。20年前开始,相当于已经学了20年。
转载请注明原文地址:https://www.tihaiku.com/zcyy/4129297.html
最新回复(0)