[Q]: How does the sentence end?

The field was full of wildlife at dawn, but was empty by dusk, as the 

[A]: dawn was a more hospitable climate.


[Q]: How does the sentence end?

When fish was on the menu Logan was very pleased while Donald didn't like the taste of fish. 

[A]: Logan ordered the halibut for lunch.


[Q]: How does the sentence end?

Angela spent a long time on their book review but Betty didn't, so 

[A]:
Betty scored a low grade on their assignment.