[Q]: How does the sentence end?

Kevin repaired the wooden furniture for Kyle last week since

[A]: Kevin needed an expert carpenter.

[Q]: How does the sentence end?

Emily found out that she has to have surgery, whereas Angela does not, because

[A]: Emily is sickly.

[Q]: How does the sentence end?

Blueberries were nasty in the pie, but delicious in the tart, since the

[A]:
tart was made with complementary flavors.