Раскройте скобки ,употребляя глаголы в present : perfect.continuous.simple.past simple you (change) so much. anything (happen) what you (do) here at such a late hour ? you (write) your composition ,i (write) it already . i (work ) at my report when you (write ) your composition? what the weather (be) like ? it still ( rain) ,it (stop) raining.

Yoy have changed so much. Has anything happened?
What are you doing here at such a late hour?
Are you writing your composition? -- No, I have written it already. I am working at my report. -- And when did you write your composition?
What is the weather like? Is it still raining? -- No, it has stopped raining.