【2012贵州铜仁】About ____of the students in Grade Nine this year were born in the_____.
-- Have you ever been to Shanghai, Mary? -- Yes. I _______ there for three clays with my parents last month.
-- Do you often watch Man and Nature on TV? --Sometimes. It’s an interesting program, but I______ Sports News.
-- Could you tell me something about the boy who helped you just now? -- Sorry, I know nothing about him. We are______.
There are so many kinds of computers in the shop. I really don’t know ______ to choose.
-- How can I ______ well with my lessons, Dad? -- Practice makes perfect.