Answer:
predictability versus novelty
Explanation:
In this case, predictability has to do with Angie, who always expects to relax on Friday night as a consequence of the work week. However, Thom's surprise plan to spend the weekend in Reno happens to be something new, original and unusual for the couple, sinve they are used to spending weekends at home.
Answer: Probably the walking across the Aboko Desert or swimming across the Gilo River
Explanation:
The linking verb is "could have"