Вставить правильные слова в диалог. shop-assistant : they 20 pounds. customer: here you ,50 pounds. shop-assistant: thank you ,this your change-30 pounds.

Shop-assistant : They cost 20 pounds.
Customer: Here you are, 50 pounds.
Shop-assistant: Thank you, this is your change - 30 pounds.

They cost 20 pounds
Here you are,50 pounds
Thank you,this is your change-30 pounds
Думаю так