--The man in a black suit _______ be our youth worker. -- I’m sure it _____ be him. I saw him in the laboratory building some minutes ago.
The Greens ________live in the south of Asia. They don’t want to move to the north because they ________ the cold weather.
--- Would you mind my singing here?--- _______. I hear that you have been made _____the China’s Got Talent.
I like reading in the city library ________ I often lose myself in a world of good books on weekends.
—May I come in? I’m sorry I’m late.— Come in, please. But could you please tell me _______________?
—_________ nice trip to travel by air!—__________.