Who ______ it be that hasn’t handed it in yesterday? ——It _______ be Bob. He handed it in yesterday.

I promise that his daughter ______ get a nice present on her birthday. [ ]

The suggestion that the president _____ the meeting was accepted.

Nowadays people are convinced ___ the negative effect of second-hand smoking ___ people around.

Is _______ girl in white your sister —Yes. She is a nurse and works in ____ hospital.