6. Where do you usually see this sign? 1) On a train 2) At a park 3) At a playground 4) In a building 7. Which sign means "You are not allowed to enter."?
6. Where do you usually see this sign? 1) On a train 2) At a park 3) At a playground 4) In a building 7. Which sign means "You are not allowed to enter."?