Open the brackets using Present Simple or Present Continuous. Choose the right answer.

1) Look at the river. It ____________ (flow) very fast today - much faster than usual.
2) 'How is your English?' - 'Not bad. It _______________ (improve) slowly.’
3) Ron is in London at the moment. He _____________(stay) at the Park Hotel.
4) He always _____________ (stay) there when he's in London.

1) flows, 2) improves, 3) is staying, 4) stays
1) is flowing, 2) is improving, 3) stays, 4) is staying
1) is flowing, 2) is improving, 3) is staying, 4) stays​