[Q]: How does the sentence end?

The man said a polite hello to Aaron, then began flirting with Ian, because 

[A]: Ian was single.


[Q]: How does the sentence end?

Pam's leg would not fit into the blue jean because the 

[A]: jean is too slender.


[Q]: How does the sentence end?

The material for the coat was much lower quality than for the hat, so the 

[A]:
coat was cheaper.