—Tom, you never told me why you were late for school again,_____ you?        —____. But maybe you forgot it, sir.                           

Millie stood by the gate of the station with a purse in her hand       she could find the owner of it

--- He didn’t come to school yesterday, didn’t he ? --- _________.He was ill in bed.

—She’s already back to Nantong, ______? —______. She is on a visit to Tokyo. 

—Kate, do you know ___it is from here to the post office?—About twenty minutes’ walk.