Hurricanes are severe cyclones with winds over seventy five miles an hour ______ originate over tropical ocean waters.
We feel it is high time that the Government ______ something to check the inflation.
It has been proposed that we ______ our decision until the next meeting.
______ native to North America, corn has now spread all over the world.
All the flights ______ because of the snowstorm, we had to take the train instead.
The back garden of our house contains a lawn, ______ very pleasant to sit on in summer.
John’s score on the test is the highest in the class; he _____ last night.
The_______ of the system of regional autonomy for ethnic minorities has underground long periods of exploration and practice.
As there is less and less coal and oil, scientists are exploring new ways of making use of _______ energy, such as sunlight, wind and water for power and fuel.
It was John who _______ the idea of doing it this way.