24. — Someone is knocking at the door. It _________ be Tom.— No, it ________ be him; he has gone to Sydney.
—Shall I give you a ride as you live so far away? —Thank you. ________.
At first he refused to admit his guilt but when he was shown the evidence he ______ and confessed (坦白).
It was essential that the application forms ________ back before thedeadline.
As time went by, the plan we stuck ____ fairly practical.
---Could you turn the TV down a little bit? ---______. Is it disturbing you?