Flashcards should be a.

Used several times a day

c.

Moved into a “Know” stack when the information is learned.
b.

Repeated until the information is learned

d.

All of the above

all of the above

Explanation:

you use flash cards to study

so therefore you will use them several times a day until you think you know what you're studying

- the heat nearly killed them that first summer.

a: that she is losing interest in her relationship with arobin just took !