Read the text and fill in the gaps with the correct form of verbs and subject-verb agreement as per context.

When I was a child, I (a) _____ (be) afraid of the dark, and I always (b) _____ (go) to sleep with a light on. Even then, I feared that monsters (c) _____ (climb) in through my bedroom window and kill mE- And every sound I (d) _____ (hear) struck fear into mE- Often, I ran away from the room and (e) _____ (sleep) on the floor at the foot of my parent's bed. Now that I (f) _____ (be) almost twenty years old, I obviously do better than what I (g) _____ (do) as a child. However, I (h) _____ (be) still scared of bedtimE- I dislike (i) _____ (sleep) alone, and I still keep a tiny night light on. And before I go to bed, I double-check every door and every window to make sure that they (j) _____ (be) locked. Indeed, imaginary beings do not invade from outside, they exist in our superstitious beliefs.