—How long have you been working as an as
题型:选择题
问题:
—How long have you been working as an assistant here?
—__________I finished middle school.
A.Ever since
B.Before
C.After
D.When
—How long have you been working as an assistant here?
—__________I finished middle school.
A.Ever since
B.Before
C.After
D.When