английский язык 7 класс английский язык 7 класс ">

1 You have been working in the garden all afternoon.

Have you been working in the garden?

You haven't been working

2 We have been using solar power for ten years

What have we been using?

We haven't been using

3 The children have been playing on the computer for a long time.

Have the children been playing...?

The children haven't been playing

Объяснение: