Question:
Randy rolled up his sleeve for Donald, so 

Answer:
Continue the sentence -- Donald could collect blood for the blood bank.


Question:
Neil explained to Derrick that he volunteered to talk to children about the dangers of drugs.  

Answer:
Continue the sentence -- Neil is generous.


Question:
Erin failed to prevent Felicia from scoring a goal on her, although 

Answer:
Continue the sentence -- Felicia was usually slower than her.


Question:
Being colorblind, Laura couldn't see the same spectrum as Jessica so 

Answer:
Continue the sentence -- Jessica had to complete the task.