Excercise 5: Complete the sentences using Present Perfect.

1) I have had lunch today. 2) Have you done your homework? 3) Jack and Bob have not corrected their mistakes. 4) My friends have prepared an IT project this year. 5) Kate has walked the dog. 6) I have not been to Spain. 7) Sasha has finished reading a book. 8) Look at my dress! I have made it myself. 9) Has Sally phoned her granny? 10) Our teacher has not checked our tests.