Answer:
1.The girls had left early, but they arrived home too late for dinner.
2.The sentences aren’t related.
3.The sentences aren’t related.
4.Kathleen had cut out a new pair of slacks, and Marianne was working on the jacket.
5.The sentences aren’t related.
6. Complex
7.Simple
8.Complex
9.Complex
10.Compound
11.Simple
12.Compound
Explanation: