Present Perfect or Past Simple? Find and correct one mistake each sentence.
a. Didn't you do your homework yet? .......
b. Peter's been to the shops. He'll be back soon.........
c. Did you ever eat snails? d. We're here since 10 o'clock..........
e. No one's seen Lucky since 3 weeks.......
f. I just seen a very interesting programme on TV..........
g. Laura never was to France.........
h. I seen an old friend of mine last week. i. I wasn't to a disco for months.......
j. My little sister hasn't learn to read yet..........