—You don’t look very __________ .Anything wrong ?—Nothing . I’m just a little tired.

The word _____ can be used as an adjective .

The World Health Organization has given some advice on        to protect us from being infected(感染） with H7N9.

I’d like to eat these candies. They taste _________.

--- How was your vacation in Shanghai?--- Oh, __________, I can’t stand it. There were too many people and the weather was too hot.