Jacky Chan is________ to turn up at the party for charity, since he is always enthusiastic about such things.

If you can't________ your shyness, you’ll never pass the interview.

I have been convinced that the print media are usually more __________ and more reliable than television.

 Our teacher told us to write a _____ composition.

It is reported that the scientists in our country are_______all possible way to control H7N9 flu.