---You _________to our Mom like that. It was awfully impolite. ---You are right. I must have been crazy at that moment.
The managing director promised that he would _____ me as soon as he had any further information.
These plastic flowers look so _____ that many people think they are real.
When the big bills for mother's hospital care came, father was glad he had money in the bank to _____.
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.