Вопрос по английскому языку:

E. Put the verbs in brackets into the Present Perfect Continuous.
1.We..............(learn) about pollution at school this week.
2.Bob............(build) nesting boxes for a month.
3.You look tired...........(you/work)in the garden all afternoon?
4. The government...........(talk) about the problem and it is trying to find says to reduce acid rains.
5.We..........(use) solar power for ten years now.
6.She...........(study) all day.
F. Fill in the question tag.
e.g. Camels live in the desert, don't they?
7.The story isn't true,.................?
8. The oil killed many fish,.........?
9.You don't want to go out tonight,...........?
10.We are running out of freshwater,............?
11.I could join as well,..........?