With water demand growing, the conflict between the two neighboring villages over water has ____over the years.
查看答案
Years ago the professor said that there was no doubt that the people in this city would ____a water shortage, if not a water crisis. Subsequent events have proved his predictions to be exactly right.
We believe that building a powerful navy is ____our national defense.
He thought the coffee at breakfast was too sweet. It wasn’t ____.
The new system is said to enable us to use much less oil than before, in other words, to ____considerably.