The man over there _________ be over fifty. He looks so young.
Do you know_____ ? Sorry,I’ve no idea.
Where is your mother? She_____________ Shanghai on business for a few days..
Where has your father gone? He has gone to Shanghai.And he’ll ______for three days.
Who will teach you to play basketball this summer.The twins.Because_____ Jim______Jam play it very well.
I called you at 7:00 yesterday evening,but no one answered.Sorry,I_______ with my family at that time in the cinema.