.Some teenagers to do some voluntary work during the school holidays..
--The TV is too noisy, would you mind a little, please? --Sorry, I will do it right away.
The Beatles began to be popular in the USA.
--Would you like to go shopping with me, mum? --If dad doesn’t go, .
-- How far is it from here to Huangshan Mountain? -- About in a car.
--When did you become a volunteer for the elderly? -- Two years ago. I this group since then.