All of the flowers now raised here have developed from those _______ in the forest.
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.
I was about to go out ________ it began to rain.