[Q]: How does the sentence end?

Tammy used her writing software to help her write a cover letter but the
OPTIONS:
- cover letter was too difficult.
- software was too difficult.

[A]: software was too difficult.

[Q]: How does the sentence end?

When the person started choking, Betty but not Katrina performed the Heimlich maneuver because
OPTIONS:
- Betty had extensive knowledge of first aid.
- Katrina had extensive knowledge of first aid.

[A]: Betty had extensive knowledge of first aid.

[Q]: How does the sentence end?

No matter how much we tried to shrink it, the stick could not fit through the hole, as the
OPTIONS:
- stick was too narrow.
- hole was too narrow.

[A]:
hole was too narrow.