As a _______ rule, most flowers appear in spring.

Bush spent I think a lot ___ time in voting than Kerry did.

The situation is ________—we have no food,very little water and no medical supplies.

By popular consensus, great painters can mix the colours together within a short period of time to get the __________colour.    

Although we met with some difficulties in building the railway, we were still _____ about finishing it before the deadline.