Revising English

When writing a letter, where does the adress sent from go?
(A) Top right
(B) Bottom right
(C) Top left

When writing a letter, where does the sending-to adress go?
(A) bottom right
(B) in the middle somewhere
(C) top left

Where does the date written on go?
(A) below the sending-to adress
(B) above the sending-to adress
(C) below the sent-from adress

After you have skipped a line past the date, and written "Dear.. (_____ ____)," when do you next start writing?
(a) below the comma
(a) below the "Dear"
(c) skip 3 lines

What do you also need to include in letters?
(A) nothing
(B) paragraphs
(C) jokes