Only for people who know english
to make a conversation between 2 people in sequence in perfect present with the following words
(ever never before already)
according to the models presented

a: question
b: respond
b: question
a: respond
a: question
b: respond
b: question
a: respond
a: question
b: respond

A. Have you ever had fish before?

B. No, I have never had fish before.

B. I have never had fish before but I have had goat brain before. Would you like to try some?

A. No, thank you. I already ate today.

A. I don't think I would like goat brain. Do you like it?

B. Yes, I enjoy it.

B. Have you ever had a whole chicken before?

A. Yes, I have. But I will never eat it again!
Eating a whole chicken is disgusting! I will never eat it again! How do you like that?

B. Never say never! I guess I just have a sophisticated stomach.

Happy studying ^-^

Because the vietnam war was fought in an especially brutal and untraditional way

The answer is d. prior knowledge. she breaks it into parts in order to figure out what other words have the same parts to the word and put the meanings together.