Formy twierdzące w czasie Present Perfect Continuous

 0    6 词汇卡    Kub
下载mp3 打印 检查自己
 
问题 English 答案 English
I
开始学习
have been (doing)
you
开始学习
have been (doing)
he/she/it
开始学习
has been (doing)
we
开始学习
have been (doing)
you
开始学习
have been (doing)
they
开始学习
have been (doing)

您必须登录才能发表评论。