-- Why didn’t you go to the cinema with us this afternoon? -- I ______ at the station for my uncle from Beijing.

—A talk on American culture        in the school hall yesterday afternoon.—It’s a pity. I missed it. 

There ____ a talk show on CCTV-4 at eight this evening .

Mike _____the bookshop. I have to wait for him.

There _______ less air pollution in the country .