[مستر محمد ديوشي عطا]

21- Every year, trees grow extra seeds ( rings) of new wood

22- You could organise sports abilities ( activities / competitions) for children in their school holidays

23- Guests should leave their values ( valuables) in the hotel safe

24- Hercule Poirot is a detective who works in ( on) crimes

25- The murder suspect was still with ( on )the train at the end of the story