Dad, please tell me when Mum_____. I miss her very much. —She will return when she_____ her task. And she will bring a nice present for you.

Daily Mail of November 25th reported that American astronomers （天文学家）______aplanet that was most similar to the earth.

What time does Alicia ________ home every afternoon?

I wonder what you mean __________ saying that?

Her math book is _____ the sofa.