A smoke detector is an easy way to protect your family. It is very easy to install one. Most people expect ------- if there is a fire, but

1. A) to wake up B) woke up C) wake up D) waking up
poisonous fumes from smoke kill hundreds of people every year. ------- a smoke detector will give your family a chance to escape in
2. A) Putting B) Fixing C) Installing D) Hanging
the case of a fire. Ask at your local fire station for advice.