6.
1) She has never read Dostoevsky.
2) I'm sorry I don't understand you.
3) Have you ever met a famous person?
4) Hurry up, kids! I'm waiting for you.
5) How long has she had that new haircut?
6) Which sports do you like?
7) Lions don't live in Europe
8) They speak Spanish in Mexico.
9) British drive on the left.
10) I've never tried Thai food.
7.
1) You might know what are you talking about.
2) They are wathing TV now.
3) We have already paid the bill.
4) We haven't said her yet about out marriage.
5) They played computer all the evening yesterday.
6) We spent our last holidays in Italy.
7) She speaks three languages.
8) He bought a new flat recently.
9) I have already gone to the cinema.
10) He usually surfs the Web in the evening.