Choose the correct option. 1. i always remember my as a very happy period of my life. a.childness b.childhood c.childish d.childless 2. its to speak to him.he's very stubborn. a. use b. useful c. useless d. user 3. my brother is a very child.he is full of energy. a.live b.living c.lively d.unlovin 4.have you seen ? a.yesterdays' b.yesterday's c.yesterday d.a yesterday