下列有关水的说法正确的是（ ） A．无色、无味、透明的水一定是纯净物 B．用过滤

     Tom’s father  1  . It was Saturday. Tom was on the way to the hospital   2   his father. The hospital
was very far, so he   3  take a bus.
     When he got to the bus stop, there were already  4   people there. They were standing in line and 
  5  a bus. The bus was late. Tom   6   want to wait in his queue(对；列).He went to the front and
stood there.
     One of   7   people said to him, “You mustn’t   8   the queue ,boy.”
     With a red face Tom said   9  and went to the end of the line. Soon the bus came .All people  10 
the bus.