Improve Your English Vocabulary Fast!

In this video, Alisha answers 5 questions. - Can you tell us which sentence is correct? "Did you used to play ball?" or "Did you use to play ball?" - I would like you to explain me what´s the difference between "unbelievable" and "incredible" and between "Especially""and "specially" and when should I use them. - What is the difference between knowledge and information? - Do you have any tips how to improve vocabulary with limited time. and please whats is the meaning of "hope this email finds you well". - What does that mean: "It's time to turn to new leaf"