题目内容：

阅读短文，用括号内单词的适当形式填空。

Last Sunday the elephant keeper at London Zoo, Jim Robson,   1.  (kill) by one of the elephants he loved. This was terrible, and it could be a big problem for the future of London Zoo—and maybe for all of Britain’s city zoos.

London Zoo said that it   2.  (move) its three elephants to a wild animal park outside London. Its director-general（总经理）, Michael Dixon, said, “We are sorry that the elephants   3.  (leave); there   4.   (be) elephants at London Zoo since 1831.”

One British newspaper said that though many small animals were very interesting, most people wanted to see big animals—and most of all elephants.

London Zoo is not only losing its elephants. The tigers will also leave soon and most of the bears have already gone. Outside the elephant house at London Zoo, a woman   5.  (call) Mary said she wished the zoo 6.  (keep) big animals. “This is the only way the young people can see animals without 7.  (travel) to other countries,” she said.

Zoos are not very good places for animals, but they can help to well keep them. Children can also learn a lot about the animals when they visit zoos.

Another visitor, a man called Alan, was very angry. “If the elephants 8.  (send) back to the wild, they will die. If you take away big animals, people will stop 9. (visit) London Zoo. It can survive （继续生存）at the moment, but it   10.  (not survive) in the future. "

However, Mary Rosevear, director of the Federation of Zoos, believes that city zoos can survive without keeping large animals.