[Q]: How does the sentence end?

Samuel has hard time to detach from family and friends but Brett has no problem as

[A]: Brett is independent.

[Q]: How does the sentence end?

The teenager threw out her dolls and bought phones, as the

[A]: dolls were out of date for her age.

[Q]: How does the sentence end?

Carrie wrote a long apology letter to send to Jennifer, but

[A]:
Jennifer never received it.