[Q]: How does the sentence end?

The camel left the alley and moved into the street, as the 

[A]: street was safe for it at that time.


[Q]: How does the sentence end?

Jennifer followed the instructions given to them by Megan, since 

[A]: Jennifer was the natural subordinate.


[Q]: How does the sentence end?

The doctor told Joseph they were overweight while Donald was in perfect health, so 

[A]:
Donald didn't have to go on a diet.