So far we have done a lot to build a low—carbon economy, but it is ____ideal. We have to work still harder.

Martial Art Films are supposed to be educational, inspiring, as well as______.

 Is Mr. Wang good at drawing his students into ________ discussion?

 In today’s fast changing and competitive world, to be able to learn faster and more effectively is not merely desirable; it is ________.

Though badly _____, the girl remained outwardly calm.