Crossword puzzle clue "just like a b c"

"T-ball is just like baseball, except there's no pitching -- just like the ___" (David Letterman)

"T-ball is just like baseball, except there's no pitching -- just like ___" (David Letterman)

Hourlong period where you can just forget about the world in the dim, sweaty room you've dreamt about all day and, like the instructor says, just leave it all on the bike

Just ___ ... or "Just '___"

Laundry basket of just colors or just whites?

Just in or just out

"Just ___" ("just my thoughts")

"Just Do It" or "Just Say No"