Lucia is writing an essay on how to do laundry. She needs help organizing the steps in her essay. Read the sentences and the question that follows.
Sentence 1: Last, choose hot or cold water, and then start the machine.
Sentence 2: Then add the soap.
Sentence 3: First, put in the clothes.
Sentence 4: It is easy to start a load of laundry.
What is the best order for the sentences?