Переведите на англиский язык: В каком году Роза заканчивает школу? Почему у нас стоит ёлка?

В каком году Роза заканчивает школу? — When will Rosa graduate school?

Почему у нас стоит ёлка? — Why do we have a Christmas tree?

Rosa will graduate school in two years. —  Роза закончит школу через два года.

School will be graduated in two years by Rosa.

Who will graduate school in two years?

Rosa will graduate school in two years, will not she?

We have Christmas tree because it is Christmas time.

Who has Christmas tree because it is Christmas time?

When do we have Christmas tree?

Do we have Christmas tree or cakes because it is Christmas time?

We have Christmas tree because it is Christmas time, do not we?