_the exam, the boy was punished byhis father

To deal with the problem of water shortages，______ water-saving technology will be introduced to new industrial projects in Beijing and Shanghai.

The ad says that one can lose 10 pounds in a week if using the products,but I’m ________ about that. [ ]

What did Mr White say — He asked us _____.

your answer, I would have come back two weeks ago.