You need two years of teaching_______ to get this job.

It is this kind of exciting trip _____most of my classmates only dream about.

It was not until I came here _____I realized this place was famous for not only its beauty but also its weather.

Kitty lives________ the ground floor andSandy lives ________floors________ her.

The manager of the company told us that was their final decision and that we had to _________.