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

--Why are your eyes so red? You _______ have slept well last night.

I will come _____ I don’t change my mind. 

A left-luggage office is a place where bags ________ be left for a short time, especially at a railway station.

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