Вопрос по английскому языку:

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