[Q]: How does the sentence end?

Since Randy was quite good at pool and Donald was a beginner, 

[A]: Randy knew how to do various trick shots.


[Q]: How does the sentence end?

An elk was giving birth and needed shelter. She wanted to run into the cave but ran into the house instead because the 

[A]: house was open.


[Q]: How does the sentence end?

Rebecca offered to pick up Felicia to drive to the show, as 

[A]:
Rebecca had just gotten her license.