Word formation

1234567
Across
  1. 5. The fast-paced city life offers more(ENTERTAIN).
  2. 6. We got lost because the area was completely (FAMILIAR)to us.
  3. 7. (ALCOHOL) drinks are not allowed upstairs.
Down
  1. 1. Three(terror)threatened to kill all the hostages on the plane.
  2. 2. Being afraid of(DARK)is nothing to be ashamed of.
  3. 3. A police(INVESTIGATE)is uncovering more details about the possible crime.
  4. 4. My history(teach)is very knowledgeable.