He used to be very shy but he has grown it now.
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.