giúp mik vs ạ. mik cảm ơn

Here are the completed sentences with the correct form of the verbs: 0. When Will became a teenager, he started spending more time in his room. 1. My grandmother was born on 12 August 1943. 2. My little brother did not learn to walk and talk until he was almost two. 3. I think it's important to take some time off to travel and see the world.