Listen, please. You ______ talk during this exam.

I was reading the book last night before I went to bed. I never took it out of this room. It ______ around here somewhere. Where ______ it be?

They ______ be away for the weekend but I am not sure.

You ______ book the tickets for the play in advance because they sell out quickly.

Mary decided not to join us for dinner. She ______ stay at work to finish the marketing report.

The machine ______ be turned on by pressing this button.

You ______ leave now if you wish.