1. We are pleased that you do it perfectly.

2. They are delighted that we are interested in protecting the enviroment.

3. I am afraid that won't come to party.

4. She is sad that her sister fails the exam.

5. We are sorry that your application is returned down.

We are pleased that you do it perfectly

2.They delighted that we are interested in protecting the environment

3.I am  afraid that I can't come to your party.

4.She sad because her sisted failed the exam

5.We sorry about that your application is returned down.