—Jane, can you play _______ baseball?—No, I can’t. But I can play _______ violin.
--I’m a little hungry, Mum.--There are some cakes on the plate. You can take _______.
--Would you like some tea, please?--Yes, and I prefer tea _______ some sugar.
--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.
To find ___ better job, she decided to learn ___ second foreign language.
Beijing is one of the ____ in the world.