[Q]: How does the sentence end?

Teaching computer skills was fun for Jeffrey but frustrating for Nelson, since 

[A]: Jeffrey was very good at explaining new things to students.


[Q]: How does the sentence end?

The chipmunk wanted to put more of its acorns in its cheeks, but the 

[A]: cheeks were too small.


[Q]: How does the sentence end?

Beth made a double recipe of the cake, she poured the batter from the bowl to the pan until the 

[A]:
pan was full.