I don't know what to do is different because what to do is the object of know . If you had what in this grammatical situation, you would need a subject. An A is what you get if you do well in a class.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
clee62 A beach is where to play and crowd.No. You need this: A beach is a place where people get together and play.