Write sentences in present perfect continuous.

1 the cat / the mouse / chase
2 you / the homework / copy
3 they / a new gadget / invent
4 we / in a forum / chat / not
5 Lucy / on the task / concentrate / not даю 15 баллллооовв

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Пожалуйста

1 The cat has been chasing the mouse.2 You have been copying the homework.3 They have been inventing a new gadget.4 We haven’t been chatting in a forum.5 Lucy hasn’t been concentrating on the task.