Relative pronouns who / which

Giraffes are animals _____ are very tall and live in Africa.

• who

• which

Michael Phelps is the American swimmer _____ won eight Olympic gold medals in 2008

• who

• which

An artist is a person _____ paints pictures.

• who

• which

Serena and Venus Williams are the sisters _____ have won lots of tennis championships

• who

• which

A digital camera is a device _____ can take photos

• who

• which

Tim Berners Lee is the British inventor _____ invented the World Wide Web.

• who

• which

An airplane is a machine _____ flies in the air

• who

• which

Tigers are animals ____ come from India

• who

• which

An architect is a person _____ designs buildings.

• who

• which

James Watson and Francis Crick are the men _____ investigated DNA

• who

• which