Помогите пожалуйста с В и С

B

1) Sophia has not lived in Scotland in her life

2) Have you ever met a foreighner?

3) Jason moved to Berlin three years ago

4) Has Hilary already sold her old house?

5) Did you stay with your aunt?

6) We have just bought a house with a swimming pool

C

1)have gone

2)has just gone

3)have already been

4)has been

5)Has mum gone