--- What’s the weather like? --- Pretty hot and wet in the summer, but it _____ be quite cold in the winter. 

—Is Jack on duty today? —It ______ be him. It is his turn tomorrow.

 — Do you know where Mary is? I couldn’t find her anywhere. — Well . She        have gone far—her coat’s still here.

---Look, Sue is over there. --- That ____ be her. She is in Canada now.

Today is Wednesday. He _______ be at home. He _____ be at school.