Mark has two monkeys and they love to eat bananas.
Explanation:
To, too and two are homophones that often confuse people. 'To' is used to show motion, eg "I'm going to the shop." 'Too' means 'also' or 'extremely', eg "I would like to come too but I'm too sleepy." 'Two' means the number 2, eg "Let's buy two bag of Cookie."
