Sentence 1: Liz had been sick. 
 Sentence 3: Liz finally recovered from her illness 
 Sentence 4:  She didn't want to get sick again 
 Sentence 5:  Liz sprayed disinfectant around her home and washed her sheets 
 Option 1: But she got better quickly. 
 Option 2: She had the flu and had been in bed half the week.