Andy watched the World Cup on his phone. I couldn’t do it on mine. My phone battery was running low. (compound-complex sentence)
Andy watched the World Cup on his phone, but I couldn’t do it on mine because my phone battery was running low.
Andy watched the World Cup on his phone. I couldn’t do it on mine. My phone battery was running low. (compound-complex sentence)
Andy watched the World Cup on his phone, but I couldn’t do it on mine because my phone battery was running low.