Раскройте скобки, используйте the present perfect simple or the present perfect continuous. 1. Someone (eat) has eaten

1. Someone has eaten (Present Perfect) all the cakes. I’ll have to buy some more.2. What have you bought (Present Perfect) your sister for her birthday?3. My throat is really sore. I\'ve (I have) been singing (Present Perfect Continuous) all evening.4. How many people have you invited (Present Perfect) to your party?5. Susan has worn (Present Perfect) twelve different dresses in the past week!6. I\'ve (I have) done (Present Perfect) everything you asked. What should I do now?