A doctor ____ for six years afterfinishing school 填study的一种形式

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/24 21:50:09
Adoctor____forsixyearsafterfinishingschool填study的一种形式Adoctor____forsixyearsafterfinishingschool填stud

A doctor ____ for six years afterfinishing school 填study的一种形式
A doctor ____ for six years afterfinishing school 填study的一种形式

A doctor ____ for six years afterfinishing school 填study的一种形式
has been studying

have been studying
或 have studied
现在完成进行时或现在完成时(后面是for+一段时间)

has been
for six years 提示用现在完成时,然后用第三人称。
希望帮到你!

have studied