Questions 1–5: some of the following pairs of sentences can be combined to make compound sentences, but some shouldn’t be. read them carefully, and decide which pairs contain related ideas. rewrite those with related ideas as compound sentences. 1. the girls had left early. they arrived home too late for dinner. 2. their bus had been delayed. their dog was named nickey. 3. plans for the party are still indefinite. they finished some sewing they had started on monday. 4. kathleen had cut out a new pair of slacks. marianne was working on the jacket. 5. the material for the jacket was an attractive plaid. they stopped for a cold drink before finishing the job. questions 6–12: label each sentence as simple, compound, or complex. 6. milk that is sour can be used for cooking. 7. early this morning the ambulance sped down the street. 8. george refused the other position after he received a raise in salary. 9. the train, which was delayed by a blizzard, was an hour late. 10. the cost of this perfume is high, but the price includes the tariff. 11. the valley of ten thousand smokes was formed by an eruption of mount katmai, alaska. 12. the united states naval academy is located at annapolis, and the united states military academy is located at west point.