----Was he present a the meeting?---- He ____ not have attended it, for he was busy repairing his computer all the time.
The farmers were more anxious for rain than the people in the city because they had more _____.
It is clear that the whole world is passing through a social revolution in which a central _____ must be taken by scientists and technologists.
The author of the report is well _____ with the problems in the hospital because he has been working there for many years.
With the change of the economic foundation the entire immense superstructure is _____ rapidly transformed.
When I took his temperature, it was two degrees above _____.