Задание

10. I _______________(hear) that Polish scientists_________________ (take part) in our conference next month. We_________ already_____________ (send) them invitations. - And what_____ you_____________(do) now? – We______________ (make up) a programme.

hear / are taking part / have / send / are / doing / have made up

have heard / are taking part / have / sent / are / doing / are making up

have heard / take part / have / sent / are / doing / are making up