Look! It________be the new woman manager. —It________be her.She has just left for Shanghai.

I called you, but nobody answered. Where ________ you?

While he was investigating ways to improve the telescope, Newton made ________ discovery which completely changed ________ man’s understanding of color.

Do you know _her mobile phone?一 No, I think it cost her around 4000 yuan.

She ___________Simon and then they do their homework at his home．[ ]