—Hi, Jack, there is ________ useful book on the desk. Whose book is it?— It belongs to my brother.A. a B. an C. the
--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.
He met many problems he was going over his lessons.
--Where does your uncle work, Tom ? --He is in a hospital he works as a doctor.