________ we stand; ________ we fall.

Liu Xiang won the gold medal of men’s 110m hurdles at the 16th Asian Games, _______ the title of the event with 13.09 seconds.

_____ the child to bed, she began to correct the pupil’s exercise.

Saying always has less difficulty than _____.

— What made Bill so angry? —____________. His girl friend promised to come at 8:30, but she hasn’t come yet.