1. —Are you a local person in the countryside?

—I was born in Washington D.C., but this is      where       I grew up.

2. He went to the hospital for a medical examination. And that is      why       he was absent from the meeting.

3. Many people are not fully aware of the damage that it does to their health. This is      why       we chose this picture as our logo.

4. The mixture of better jobs, special government policies and having sponsors for studying abroad is      what       lies behind the changes to China’s brain drain.

5.  The reason she gave for being late was      that       the heavy snow prevented her coming.

6.  The reason why she preferred city life is      that       she can have easy access to places like shops and restaurants.

7.  All the mistakes I ever made in my life were      when       I wanted to say “No” and said “Yes”.

8. —I heard you wanted to study further in a foreign college.

—Yes, that’s        why       I try my best to learn English well.

9.  As John Lennon once said, life is     what       happens to you while you are busy making other plans.

10. — Our country is developing at an amazing speed!

—Yes. This is      what       makes me feel so proud.