MrIrving, who ____ in a high school for forty years, is now living in retirement.

Robert is interested in ________ astronomy and he wishes he could make a trip into ________ space one day.

Not only ____interested in a football but ____beginning to care about it.

Mr. Green’s office is _______ the 26th floor. You can take the lift there.

The school was named _____ Lu XunI know a teacher _____ the name of Robert there.[ ]