The lady who had invited us heard me telling my wife that the dinner was terrible so I was _____.

 By law,when one makes a large purchase, he should have _____ opportunity to change his mind.

The patient is supposed to go to the hospital for_____checks．

Mr Brown is a(n) _____ secretary in our office, for he is able to do tasks successfully, without wasting time and energy.

During the visit of German leader Angela Merkel to China, China offered _______ support for Europe, saying the aid would require “fully weighing risk”.