Is that Rose over there? No, it ______be. She's gone to visit her mother.
can't
You've been working since 6 o'clock this morning. You ________be exhausted.
must
You're going in the sea? You ________be serious ! It's too cold.
can't
Sue __________want us to bring some food to the party. I'll phone and ask her.
might
He ________love his job. He's always at the office.
must
He works so hard, he ________spend much time with his family.
can't
That's the phone. I'll get it. It _____be my mother. She sometimes phones around this time.
might
Jamie's so happy these days. He's always singing and smiling to himself. He ______be in love.
must
