Add punctuation: Friedrichs read the book and later wrote that the Hurwitz chapters were
A: Friedrichs read the book and later wrote that the Hurwitz chapters were:

Add punctuation: If you want to know in advance what turns me off to be let alone
A: If you want to know in advance what turns me off: to be let alone

Add punctuation: Match the seam line of the WAISTBAND to the BACK seam line and ease the rest around
A:
Match the seam line of the WAISTBAND to the BACK seam line and ease the rest around.