He spaced out for a while and didn't hear what the teacher was saying.
[2010-02-21]
It slipped my mind that I had an appointment with my teacher.
[2010-02-20]
He was a dummy to agree.
[2010-02-19]
I am looking forward to your visit.
[2010-02-18]
These students will go on a field trip to a museum.
