Jacky Chan is________ to turn up at the party for charity, since he is always enthusiastic about such things.
Gunpowder is generally believed __________ in ancient China.
It was __________ great shock to the world that a French airplane got missing over __________ Atlantic Ocean on June 1st, 2009.
I feel nervous before the exam.-- __________. It won’t be too difficult for you to pass.
-How was Nadal’s cooking?-Oh, _______. I was quite impressed.
A goodbye party was held to _______ his 30 years’ service to the army.