.I wonder how he could __________ not handing in his maths exercises yesterday, for his maths teacher is always strict with his students.
I’d like a room _____ window looks out over the sea.
He pretended __________when his mother stepped into the room..
The stamps were __________ according to their styles and features.
Don`t worry! We are all prepared to ____________ all of the problems that may _________.
The day he had been looking forward to______________at last.