1. I saw my ex-girlfriend in the street yesterday, but I quickly went into a shop to avoid speaking to her.
2. Motor bikers wear leather clothes and crash helmets to protect themselves against falling off at high speed.
3. During the Fallas festival in Valencia they have to divert the buses and cars because a lot of streets are closed to traffic.
4. Homer tried to prevent Bart from going out with his friends.
5. More soldiers are needed to guard terrorists in high security prisons.