с контрольной работой
1.I have/has already finished doing the exercise
2. My brother have/has just started the university
3. Dad haven't/hasn't watered the plants
4. Have/has Bolot been to the USA?
5. Our English teacher have/has never ridden a horse
6. Nurlan and Aisuluu have/has bought a new house

Если честно вообще низнаю для чего эти нужны, но