[Q]: How does the sentence end?

Lindsey received many complaints at the job compared to Angela because

[A]: Lindsey was a horrible worker.

[Q]: How does the sentence end?

Christopher's carpet has few stains on it, while Randy's is very dirty. The carpet of

[A]: Randy is 15 years old.

[Q]: How does the sentence end?

Jason got a nice tan at the beach but Michael got a sunburn because

[A]:
Jason used a good sunscreen.