complete these sentences with the correct prepositions.
1.Grant Dickinson was working ...... a fishing boat...Queensland ,Australia.
2.the surfer was almost 2 kilometres offshore when he fell .... his surfboard and almost drowned.
3.the dolphins chased the shark....... .
4.Dolphins are famous ..... saving people .... shark.
5.the shark bit Martin Richardson and then swam .... .
6.martin Richardson was attacked ... a shark.