Раскройте скобки, используйте the present perfect simple or the present perfect continuous.
1. Someone (eat) has eaten all the cakes. I’ll have to buy some more.
2. What (you buy) ............................. your sister for her birthday?
3. My throat is really sore. I (sing) ............................. all evening.
4. How many people (you invite) ........................ to your party?
5. Susan (wear) .................................. twelve different dresses in the past week!
6. I (do) ........................................... everything you asked. What should I do now?