Past Simple Present Perfect Family and Friends 6

1. My friend _ (buy) new binoculars today. buys bought has bought 2. The map _ (help) the friends to find treasure last summer. helped has helped helpes 3. Travellers _ (explore) some new places five days ago. explore have explored explored 4. A traveller _ (arrive) at a small village this week. arrives has arrived arrived 5. I _ (know) my best friend since September 2018. have known know knew