It remains unknown who will ______ Mr. White when he goes abroad next month.
My sister ____a good chance to go abroad for further study of English.
Since then the number of people taking driving lessons ____20.
The patient was ___of losing his life and had to be operated on at once.
It was _____that we went camping on the mountain.
We don’t allow ___in the office. But you are allowed ____in the rest room.