The boy was sitting _____ his mother, _____ his back _____ the door.

Are these made __________ hand or __________ machine?

There I saw ten children________, two of whom were from 3.

When the woman saw that her son was OK after the car accident, she said        , “Well, dear, you are the most important for me, not the expensive car.”

     sales of cars up by 30% last year, the traffic in Beijing has become increasingly terrible.