Relative pronouns

Tom had had enough of school, ---- is why he decided to join the Marines.

• that

• what

• whom

• which

If you are planning to drive a long distance, you should drive during the time of the day ---- you are normally awake.

• which

• whom

• when

• whose

In areas ---- many elderly live alone, the police may visit their homes to make sure they are all right.

• that

• which

• whose

• where

Canada is one of the few forested nations ---- forests are mostly public property.

• which

• whose

• who

• that

In 1851,---- an international tournament was organized by the great English player Howard Staunton, the modern competitive age of chess began in London.

• that

• whose

• when

• which