Answer:
1. Number 20: She grew up on a farm, and her voice trembled before crowds.
2. Number 19: He took up the cause of private enterprise and complained of excessive taxes and government interference.
3. Number 4: The mountains are intersected by a complex system of valleys.
4. Number 13: contains at least one independent clause and at least one dependent clause.
5. Number 17: Its old-fashioned garden was the paradise of my childhood.
Step-by-step explanation: