1).He is used for masculine, she for feminine and it for animals or objects.
2).
1.have got
2.has got
3.have got
3).
2.hasn't got
3.haven't got
4.hasn't got
4).1.Has a fly got six legs?Yes, a fly has got six legs.
2.Has a dolphin got hair?No, a dolphin hasn't got hair.
3.Have gorillas got a tail?No, gorillas haven't got a tail.
4.Has an octopus got ears?No, an octopus hasn't got ears.
