（  ）58．When a koala is born，he has no fur and he is     ?

    A．very big

    B．smaller than your little toe

    C．as big as your little toe

（  ）57．After he is born，the baby koala lives in his mother's pocket      ．

    A．for six days    B．for six months    C．for a night

（  ）56．People in Australia        ．

    A．keep koalas in their homes

    B．put koalas in the tree

    C．set up places for koalas to live safely

（  ）54．A．address                          B．name                          C．number

（  ）53．A．leave                             B．work                          C．study

（  ）52．A．me                                       B．you                            C．her

（  ）51．A．when                             B．as soon as                   C．even if

（  ）50．A．heard                             B．remembered                C．forgotten

（  ）49．A．where to go                    B．how to speak               C．what to say