[Q]: How does the sentence end?

Eric was going to retire from work much sooner than Lawrence since 

[A]: Eric was much older.


[Q]: How does the sentence end?

Christine has more customers visiting their shop than Cynthia because 

[A]: Christine knows how to advertise well.


[Q]: How does the sentence end?

John poured the entire bowl of fish into the hot pan on the stove until the 

[A]:
pan was full.