______ it going–Pretty good.

Being a doctor is one of the few professions＿＿＿＿if you make a mistake，it canmean somebody’s life

This I did at nine o’clock, after _______ I sat reading the paper.

The information on the Internet gets around much more rapidly than in the newspaper.

Jack is 1.8 meters tall and he is __________boy in ourclass.