Поставить в предложения слова подходящие по смыслу yet, already, just, ever, never, for, since
1.I have ... finished my work.
2.Have you ... been to Disneyland?
3.Nick has ... been to Cuba. He'd like to go there one day.
4. I have been doing sums...ages.
5. I haven 't been listerning to music ... monday.