_A Chinese runner,Liu Xiang,rushed to the ending line _______a surprising speed.
The speech was wonderful ______ it lasted too long.
This old professor insisted that he _____energetic enough and that he _____.
__________ is always the husband who __________ first when a quarrel comes about between the young couple.
Scientists say it will be five or six years ________ it is possible to test this medicine on humans.
You are students in the No.168 Senior High School now, but you _______ in different junior high schools for three years.