---Is Johnson on duty today?---It ________ be him, but I’m not sure.
---You all like Rose, right? ---Yes, she’s good ______.
His glasses, ________ he was like a blind man, fell to the ground and broke.
The scientist ___ his research for lack of fund.
It is not surprising that former soldiers have difficulty in ___________ civilian life.
—Could we meet at 3 o’clock this afternoon? ---Sorry, let’s make it __ day.