The lady in the sitting room           be over sixty. She looks so young.

She ______ have attended that meeting, for she was doing paperwork in the office then.

The red bike               be Hu’s. Hers is blue.

--- Will you take up teaching as a career after graduation? --- Hard to say. I _______ go abroad for higher education instead.

My sister met him at the Grand Theater yesterday afternoon, so he _______ your lecture.