In the time of social reform,people’s state of mind tends to         with the rapid changes of society.

 Don’t scold him any more. _______, he is only a child.

One way to       species under' threat of extinction - whatever the cause - is to remove them to zoos and parks and breed them there．

Liu Qian, a magician for Taiwan, ______ audience of thousands on the 2009 CCTV Spring Festival Show.

When she came several days later, she found that all things still _______ where she had _______ them.