Is Jack on duty today? — It ____ be him; it’s his turn tomorrow. [ ]

I tried my best to keep calm in face of the students, but the sweat on my forehead _____ me____.

He lives on ________ floor in thatbuilding.

What are you going to do this weekend, Sue—I will _________ it in a farmhouse. I want to enjoyfarm fresh food and air.

We used to work in the same office and we_________ have coffee together.