[Q]: How does the sentence end?

John's new science book would not fit in his backpack from last year, the 

[A]: backpack was too small.


[Q]: How does the sentence end?

Dennis was trying to eat more beef according to Derrick's advice, because 

[A]: Derrick had experience getting their blood iron levels improved.


[Q]: How does the sentence end?

Natalie was less prepared for the talent show than Kayla because 

[A]:
Natalie studied very lazily.