________ fire,all exits must be kept clear.
Bill always seems so confident, but ________ he’s extremely shy.
Everyone in this country enjoys the same right ______ religion, race or sex.
At the railway station, the mother waved goodbye to her daughter until the train was _______.
Many Chinese universities provided scholarships for students ______ financial aid.
The two sportsmen congratulated each other ______ winning the match by shaking hands.