---Will you please stay here a little longer? ---Sorry, I          . I           eat dinner with my mother. She’s coming.

The population of the world ____ still ____ now.

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

My mother works in a school. She _________ maths.

--Let’s finish off the rest of the cake.--None for me, thanks. I _____ more than enough.