A complex sentence has one dependent clause and one independent clause.
Here's some examples;
1. After twenty years, he still had feelings for her.
2. Because my coffee was too cold, I heated it in the microwave.
The headmistress is like the principal. The supervisor supervises the principal and all other associates staff members. Hope this helps!
For most people, work is the center of life.
It is the main supplier of money that they could use to buy food, pay their bills, or to use for enjoyment. All those things combined will make people afraid of discarding their work.
Mildred is cool!!!
Jk. Who is Mildred?