_____ you pass me the plate on the table?

— Who’s that man in our classroom? It ________ be Mr. Brown. He is much taller.— You mean the man in white? He is an exchange student from England.

—A medical team was sent to Japan by air five hours ago.—So they ______________ have arrived by now. The flight usually takes four hours or so.

—–I think the man over there must be Tom.—–It _____ be him. He has ______ to America.

—Steve is good at writing short stories. — So he is. But he writes _______ than us. So he can’t get good grades in writing.