Dear Jimmy,用括号内所给的动词的适当形式填空,必要时可加助动词或情态动词,只要全对我多加20分!

Dear Jimmy,用括号内所给的动词的适当形式填空,必要时可加助动词或情态动词,只要全对我多加20分!
I( )(be)in Yantai for half a year.Yantai( )(be)in the north of China,so it's quite cold in winter.It has just( )(snow)twice here.I think I( )(have)the first"White Christmas"in my life.It's so warm in Australia and so cold here.It's hard( )(believe),isn't it?
Thank you for the wonderful stamps.I( )(get)over three hundred Chinese stamps since I( )(come) here.I( )(send) some pande stamps to you soon.I think you( )(like)them.I hope you can also come to China when your parents( )(come)in August.We will have a good time together.