Complete with the present perfect continuous form of the verb in brackets
1)they (plant) flowers for an hour.
2)students (read) books about ecology.
3)mike ... (bild) nesting boxes since he was a child.
4)my friend ... (work) in the garden since the morning.
5)the kids ... (sleep) since 6:00 p.m.

bezrodnayamila    1   16.04.2020 11:35    5