[Q]: How does the sentence end?

Monica needs to buy a new pair of jeans and Patricia tagged along because

[A]: Patricia can help a friend with choosing a good pair.

[Q]: How does the sentence end?

Jake replaced his metal bike for a carbon one because the

[A]: carbon was very lightweight.

[Q]: How does the sentence end?

Dave bought the wood chair instead of the black desk because the

[A]:
chair matched the style of his office well.