But your head isn t the right size

Jack wanted to buy a hat, so he went into a hat shop and said to the assistant, "I 1 a hat, please."he said. "Can I try on 2 ?""Of course, sir,"the assistant answered and he 3 several hats for Jack.Jack 4 one by one but he didn't like__5of them. "This one is too big and this one doesn't 6 very nice and this one must be too cheap.