-- _____is that used for?---_____ the floor.
I got up early this morning, but I ________ so because I was not on duty today.
It’s dangerous to have the fire _______ at home all night long.
The article is too long and should be _______ by half.
.—Are you satisfied with this hotel ? —Not a little. We can’t have _________ .
The factory near the seaside was closed down as a(n) ________ of the terribly bad management and fund shortage.