Fill in with ever, never, just, already, yet:

Have you __________ been camping with friends?
No, I haven’t been camping with my friends __________ .
We have __________ returned from Mexico by a helicopter.
Have you finished writing the book __________?
I’ve __________ finished it eating this cream soup.
John has __________ bought the tickets for the football match.
They have __________ sent a letter to their granny before school.
That’s the smallest car I have __________ridden in.
She is probably the most fascinating woman I have ____________ met.
It has been ____________ announced that he will fly into space.