—Who____ it be that is knocking at the door? —It ____ be Father, but I’m not sure.
—Will you attend the meeting this afternoon? —But I ________ told anything about it.
—Did you have any trouble with the customs officer?—________ to speak of.
Who would you rather ________ the watch?
Some people are good at ________ but bad at giving back.
—How long do you think it is ________ he arrived here? —No more than half a year, I believe.