Complete the sentensess using the correct form. ( Present Perfect/ Present

Complete the sentensess using the correct form. ( Present Perfect/ Present Perfect Continuous )
1. ( melt/you/already/) a bar of chocolate for our cake?
2. I ( Slice/just ) ham for your salad.
3. She ( grate ) carrots since morning, why does she need so many vegetables for the soup?
4. They ( bake ) a cake for our party, now we've got something to eat after dinner
5. He ( put ) 6 teaspoons of sugar in my coffee, now i can't drink it.
6. Robin ( never/ be ) abroad.
7. James (buy) all New Year presents yet.
8. ( you/ever/eat) Thai food?
9. You look tired ( you/ work ) a lot?
10. She (clean) the house since 9. Can you help her?