Mary, could you tell me if your mother _____ our school sports meeting tomorrow? –I think she will come to school if she _____ free.

What was she angry ? -The broken glass. [ ]

Is there ________ in today’s menu? —Yes, we have Beijing Duck.

Did you find the small village yesterday? — Yes, without any difficulty, for it has ______ changed over years.

She kept _________ hard at her physics and finally caught up with us.