Complete the sentences with the correct form of the verb in Present Perfect.

1) I have watched Titanic twice. 2) The students have done their lessons yet. 3) Where have you gone for lunch? 4) Where have they lived? 5) What have you had for breakfast? 6) Mr. and Mrs. Brown have gone to Italy. 7) Have you ever met a famous person? 8) Tom and John have fed the dog yet. 9) My mother has not tidied the home. 10) I have known Mary for six years.