I had just stepped out of the bathroom and was busy drying myself with a towel ________ I heardthe steps.[ ]

He found the boy ___ on the wall.

The contest will take place next week. — Can you be more _____?— Yes, it will be on Saturday morning.[ ]

The window is dirty—I know It ______ for ages and I’m consideringgiving the task to our children

It is so cold in Antarctic that the penguins have to stand _______to each other to keep warm.