Add punctuation: You shall have an answer to all the what ifs before you disappear towards the horizon but at the same time you shall be prepared to improvise and to to it quickly
A: You shall have an answer to all the "what if's" before you disappear towards the horizon, but at the same time you shall be prepared to improvise - and to to it quickly!

Add punctuation: Langgaard was not a typically Danish composer
A: Langgaard was not a 'typically Danish' composer.

Add punctuation: Chinese lessons Lesson 2 synthesis of vocabulary
A:
Chinese lessons Lesson 2 : synthesis of vocabulary