John opened the door. There he had never seen before.
—John, why just stand there with your mouth closed? You are expected to air your opinion. —________.You have another supporter in me.
Jacky Chan is________ to turn up at the party for charity, since he is always enthusiastic about such things.
________ I am concerned, I think the project should be held off right now.
Thousands of foreigners were ________ to the Shanghai World Expo the day it opened.(2010·江苏)
It is uncertain ________ side effect the medicine will bring about, although about two thousand patients have taken it.(2010·浙江)