Question

Action Verb or Linking Verb

Many dogs use their tails for communication ans. "use" is the - Action Verb

A dog's tail expresses playfulness of fear.
ans. "expresses" - Linking Verb

Other dogs have fluffy or curly tails
ans - "have" - Linking verb

Dogs seem sensitive to sounds
ans - "seems" - Linking Verb

Answer 1

Two of your answers are right.

http://www.gallaudet.edu/tip/english-center/grammar-and-vocabulary/verbs/action-verbs-and-linking-verbs.html

Answer 2

Wat am i soppouse to do hear