— Our teacher wants us to be ______ when we talk with the foreigners.— Yes, we should believe in ourselves.

 I have _____ work to do that I can’t go out with you .

Jim is funnier and more outgoing than       in his class.

I feel ________ now, so I want to have a rest.

 — What do you think of KFC?—The food there is very 　　　. In fact, it has 　　　 food in the world.