---I was riding along the street and all of a sudden, a car cut in and knocked me down. ---You can never be         careful in the street.

In his speech, Marks made the point ______ far more people died from smoking than from taking drugs.

In the keen competition of this international tennis tournament, she ________ won the championship.

Peng’s company makes __________700,000 yuan for each partnership it sets up and more importantly, benefits both local people and foreign countries.

 The programs of UNICEF have saved thousands of African children who would      have died from hunger or disease.