Experiments of this kind __________ in both the U. S. and Europe well before the Second World War.
As soon as Charles had _____ a little from his surprise, his one thought was to get away.
I shall never beat John at tennis; we are clearly not in the same _____.
I'm afraid you have no _____ but to come along with us.
One-room schoolhouses can still be found in _____ areas where there are no other schools for many miles.
If you put too many potatoes in that paper-bag it will _____.