[Q]: How does the sentence end?

Everyone cringed as the singer used their loudest singing voice into the microphone because the

[A]: voice was high.

[Q]: How does the sentence end?

Samantha liked to drink low tea and Tanya did not because

[A]: Tanya did not enjoy drinking something in the evening.

[Q]: How does the sentence end?

Matthew had unpromising experience writing compared to Justin, so

[A]:
Justin was asked to help with the candidates speech.