-- I have warned him of the danger but he insisted on going there alone. -- What a _______ boy!

I think watching TV every evening  is a waste of time—there are________meaningful things to do.                                                         

You job here is only _____, for you will be removed from it when we have a proper post for you．

Women and children, generally referred to as non-power group, are more likely to become _____ targets for thieves and robbers.

 Jack is the ______- child in the family; he wants to have a brother.