How is the weather in winter in Bejing?—It’s ________.

. –Mary, is this ______ umbrella?–No, it’s not mine. It is _______.

I hear that you have a brother, but I have never seen him. -He the hometown since many years ago.

The sentence structure (结构) of “They painted the walls white.” is “_____”. [ ]

This picture is quite old, we can still see it was drawn in century.