QUESTION: Fix punctuation: Take advantage of this experience and sell even better and even faster on the Internet
ANS: Take advantage of this experience and sell even better and even faster on the Internet!

QUESTION: Fix punctuation: Although I had previously been determined not to leave Sweden the opportunity to do research full time in a mathematically very active environment was hard to resist
ANS: Although I had previously been determined not to leave Sweden, the opportunity to do research full time in a mathematically very active environment was hard to resist.

QUESTION: Fix punctuation: In this disease red blood cells fail to divide and become abnormally large
ANS: In this disease, red blood cells fail to divide and become abnormally large.

QUESTION: Fix punctuation: This apartment features a private entrance toaster and oven Room facilities Bathroom Cleaning products Coffee machine Dining table Dishwasher Electric kettle Flatscreen TV Hairdryer HardwoodParquet floors Heating Iron Ironing Facilities Kitchenette Kitchenware Landmark view Linen Oven Private entrance Private flat in building Refrigerator Seating Area Stovetop TV Toaster Toilet Towels Tumble dryer Upper floors accessible by stairs only WardrobeCloset Washing Machine
ANS:
This apartment features a private entrance, toaster and oven. Room facilities: Bathroom, Cleaning products, Coffee machine, Dining table, Dishwasher, Electric kettle, Flat-screen TV, Hairdryer, Hardwood/Parquet floors, Heating, Iron, Ironing Facilities, Kitchenette, Kitchenware, Landmark view, Linen, Oven, Private entrance, Private flat in building, Refrigerator, Seating Area, Stovetop, TV, Toaster, Toilet, Towels, Tumble dryer, Upper floors accessible by stairs only, Wardrobe/Closet, Washing Machine