Write questions to the underlined words. Пример:
1. (Jack) has been living in the south of Australia since when he was a child. —
Who has been living in the south of Australia since when he was a child?

2. We have been walking (since morning).
3. They have been building their cottage (for two years).
4. Grace has been watering (the flowers) since 7 a.m.
5. Jill has been reading her book (in the garden) for nearly half an hour.
6. (My brother has been washing his car for forty minutes).
7. They have been doing their project for the whole morning (because they want
to finish it before the party begins).
8. They have been helping (John) since five o'clock. ​