题目内容

The problem turned out to be far more complicated than he had.

A. foresighted
B. foreseen
C. foretold
D. foreknown

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Henry has many friends working in the government. His sources of information are usually .

A. reliable
B. readable
C. adjustable
D. adaptable

With water demand growing, the conflict between the two neighboring villages over water has over the years.

A. intensive
B. intended
C. intensified
D. interacted

Years ago the professor said that there was no doubt that the people in this city would be with a water shortage, if not a water crisis.

A. confronted
B. conferred
C. interrupted
D. interacted

The new system is said to enable us to use much less oil than before, in other words, to increase energy considerably.

A. effective
B. efficient
C. effect
D. efficiency

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