1.The cat has just caught a mouse.
2.The child has already eaten the porridge.
3.I have done the assignment.
4.We have been to Turkey twice.
5.The man has left the office.
Объяснение:
6.I have received 3 electronic letters.
7.What have you bought?
8.They have written the essay.
9.They have built a new garage recently.
10.She has not seen this film yet.