After a pause, I went on with my story just ____ I had left off.
Across the Yangtze River _____ more than one bridge, the Nanjing Changjiang Bridge being the first one.
I have no idea ______ measures the government will take to stop the air from being further polluted.
—Who bought you the fresh flower? —It’s from my girlfriend, if you ______ know.
Every man has his faults. We should, therefore, learn to be ______ of others.
— Do you think Li Hua has passed the English examination? — No, If so, he ______ us yesterday.