麻烦那位高手帮我解决以下英语问题~~~!急~~~~
fill the blands with appropriate pronouns.
1.Cell phone plays a very important part ____our daily communication.
2.We are planning ___a trip to the seashore this weekeng.
3.Although my father has passed ____for 3 years.he is still alive in my heart.
4. I an happy to see that he gets ___quite well with his new classmates