It must be very ______ to watch a close game between the two basketball teams.
—Who ________ be phoning us at this time of night?—It might be your sister.
—John looks a bit upset. Did you tell him the bad news?—Yes, but I ________ him after his birthday party.
Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry.
—Do you think Jack will lend us a hand?—He is the last one to help others. He ________ lend his hand, though.
—________ you interrupt now? Can't you see I'm on the phone?—Sorry Sir, but it's urgent.