By the end of last year he______about 1500 English words.

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/13 18:36:54
Bytheendoflastyearhe______about1500Englishwords.Bytheendoflastyearhe______about1500Englishwords.Byth

By the end of last year he______about 1500 English words.
By the end of last year he______about 1500 English words.

By the end of last year he______about 1500 English words.
had learnt
By the end of 是用过去完成时的标志