Tom, clean up the broken glass _________ someone walks on it.
——May I put my luggage on the seat beside you, sir? ——____.
Never in my wildest dreams ____ lead to a career in the NBA, which has allowed me to give back to my people in Africa.
Nothing in my life has meant ____ to me as his praise.
The size of the generation gap seems to be spreading with ____ rapid changes in technology, in education, in transportation and in communication that are taking place all over ____ globe.
The inspector ____ his fingers over the sheet of newspaper. There were some marks on the surface of the paper.