Odpowiedź:
1. I have lost my mobile phone. Have you maybe seen it?
2.You haven't tidiet your room. Please do it now.
3.He’s got flu, but he hasn't taken his temperature yet.
4.She has solved the maths problem, now she can do her physics homework.
5.Dan has gone to the park with his little brother. He’s there now.
6.We haven't had fast food for ages.