Fill in the questing tag (изберите правильную форму разделительного вопроса)Solar power

Fill in the questing tag (выберите правильную форму разделительного вопроса)
Solar power can be used to heat homes, .?
cant it? b) cant she? c) can it?
You have been a fan of Harry Potter since 2001, ?
dont you? b) arent you? c) havent you?
We are listening a great soundtrack to the Matrix, .?
are we? b) arent we? c) arent you?
They often play basketball, .?
do they? b) are they? c) dont they?
You can join an environmental organization, .?
dont you? b) can you? c) cant you?