[Q]: How does the sentence end?

The plane had to arrive after the helicopter, so the

[A]: plane delayed leaving immediately to time the arrivals right.

[Q]: How does the sentence end?

Of the two, Robert is less intelligent than Brian is. That's because

[A]: Brian went to and completed college.

[Q]: How does the sentence end?

Ben had to cut grass or trees in the garden. He chose the

[A]:
grass because it was easier.