【单选题】What does the woman mean?
A.
She has almost recovered from her cough.
B.
She hasn't seen her doctor.
C.
She saw the doctor four days ago.
【单选题】His sister has a bad cough, _____ she? [ ]
【单选题】His sister has a bad cough, ____________ she?
【简答题】教育技术( AECT1994 定义) ( 5 分)