Question:
Kenneth got better grades than Justin in every class, so

Answer:
Continue the sentence -- Kenneth offered to give some tutoring.

Question:
Randy studied hard in their first year of college and Nick did not, which meant that

Answer:
Continue the sentence -- Randy got good grades.

Question:
Lawrence installed the cabinet in a quicker time than Justin because

Answer:
Continue the sentence -- Lawrence was a carpenter.

Question:
The boyfriend bought the flowers on Valentine's Day, but forgot a card, due to

Answer:
Continue the sentence -- card being harder to remember.