The information was only given to a ____group of reporters.

Guilin is ＿＿ worth ＿＿. Have you been to it?

 He was really _____to find that John’s joke was so______.

Some experts think that language learning is much ___ for children as their tongues are more flexible.

My uncle gave me a ____ bag, in which there was a nice mobile phone as a present.