Choose the correct option to complete the sentences:

1. I) Where have you been? I _____ for you for two weeks!
   

2. II) Their bus ______ at 3:00 p.m.
   

3. III) Tim _____ to the beach, when he heard the weather forecast and changed his mind.
   

4. IV) Research ______ that excessive use of cell phones may cause headaches.
   

5. V) When the police arrived, the thieves ______ .