27. After the flood, no house in the village______ .
The most important _____ of his speech was that we should all work whole-heartedly for the people.
When I worked as the general manager of the firm, I sometimes had _____ to visit London on business.
These plastic flowers look so _____ that many people think they are real.
It is clear that the whole world is passing through a social revolution in which a central _____ must be taken by scientists and technologists.
David paused to consult his notes, then_______ with his speech.