Urbanization is a factor that causes water shortage.
Urbanization is a factor that causes water shortage.
Some cities will be faced ______ the problem of water shortage.
Some cities will be faced ______ the problem of water shortage.
Modern ___________(技术)will help solve the problem of water shortage.
Modern ___________(技术)will help solve the problem of water shortage.
Not only humans but also wildlife faces the crisis of water shortage.
Not only humans but also wildlife faces the crisis of water shortage.
Scientists are trying to find a solution to solve the problem of water shortage.
Scientists are trying to find a solution to solve the problem of water shortage.
There was a shortage of books.
There was a shortage of books.
____ Environmental problems must be solved to ease the current global food shortage.
____ Environmental problems must be solved to ease the current global food shortage.
There is no energy shortage for us.
There is no energy shortage for us.
Water shortage will lead to _____.
Water shortage will lead to _____.
The shortage of weight to 10 tons.
The shortage of weight to 10 tons.