1) You look happy . What has happened? - Oh, I have won the first prize.
2) Let's make a fruit salad . Have you bought bananas and apples?
3) The boys have already visited their sick friend , haven't they?
4) The tourist hasn't bought any souvenirs in the shop yet.
5) What have you done? - Ann has already translated the exercise and I have learnt the new words by heart.
6) Have the students written the test? - Not yet.
