Which word in the sentence is a gerund?

Reading is a great habit that I am enjoying every night.
I think it;s either Reading or Enjoying, but I don't know......Help. :D
@Yuba

Question

Which word in the sentence is a gerund? 

Reading is a great habit that I am enjoying every night.
I think it;s either Reading or Enjoying, but I don't know......Help. :D
@Yuba

anonymous · Answer

Which word in the sentence is a gerund? 

Thunder, rumbling like a bear's growling, made the walls shake.
 
 A.
shake
 
 B.
growling
 
 C.
thunder
 
 D.
rumbling
I also need help with this one i think it is either b or d

anonymous · Answer

I believe the first one is Enjoying, and the second one I think is Growling.