16. —Who____ it be that is knocking at the door? —It ____ be Father, but I’m not sure.
Jim was late for two classes this morning. He said that he forgot both of the ______.
You’ve just missed your ______, and you will have to wait for the next round.
His letter was so confusing that I could hardly make any ______ of it.
She had prepared carefully for her English examination so that she could be sure of passing it on her first ________.
—Hi, this way, please. —OK.I sometimes have no sense of ______ when I arrive at the crossroad.