Relative pronouns

Front

Tom had enough of school, ---- is why he joined the Marines.

Back

which

Front

Drive long distances during the time of day ---- you are awake.

Back

when

Front

In areas where many elderly live alone, police may visit to check on them.

Back

where

Front

Canada is a forested nation ---- forests are mostly public property.

Back

whose

Front

In 1851, an international tournament organized by Howard Staunton marked the start of modern competitive chess in London.

Back

when