[Q]: How does the sentence end?

Rachel was a waiter but Angela was customer, so 

[A]: Angela  had to order  the food for dinner.


[Q]: How does the sentence end?

Mary left her laptop at home and just took the calculator to accounting class, because the 

[A]: calculator was required.


[Q]: How does the sentence end?

The pesto in the store not as delicious as the mustard, because the 

[A]:
pesto was already expired.