——— Alice looks sad. Did you tell her about the accident? ——— Yes, but I ________ her just before her final exams.
As far as I know, this maths problem is _______________ that one.
. Tom as well as his classmates __________ a song when the teacher came into the classroom.
. Only when your identity(身份) has been checked, _____________________.
Edward, you play so well. But I ________ you played the piano.
. She would rather ________ the difficult situation in the new neighbourhood than move back.