1 Choose the correct answer. 1 Graham usually goes / is going swimming on Saturdays, but the pool is closed today so he plays /'s playing a computer game. 2 I can't talk to you now because I have / 'm having my dinner. 3 They usually have / are having breakfast at home, but it's Saturday today and they have/ are having breakfast in a café. 4 My mum usually works /'s working in London, but this month she works / 's working in Bristol