—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
.-- Who can reach the book on the top shelf? -- Jack can. He is ________boy of us all.
This match made them ________at last.
I don't like winter because it’s ________cold.
Oh, boys and girls, come in please. And make _________at home.
I think Tom's bike is older than __________.