question: in the save in list, select the folder where you want to save the master hacker backup key.
Capitalize this past sentence correctly.
A: In the Save In list, select the folder where you want to save the Master Hacker backup key.

question: former student ratings: (5 reviews of this language school)
Capitalize this past sentence correctly.
A: Former student ratings: (5 reviews of this language school)

question: lotte studying the route to mt. elbrus.
Capitalize this past sentence correctly.
A: Lotte studying the route to Mt. Elbrus.