Fill in the blanks

Gapfill exercise

Enter your answers in the gaps. When you have entered all the answers, click on the "Check" button.
   car crash      earthquakes      homeless      pollution      storms      war   
Cars make air worse in towns.
My great-grandfather died in the First World .
Jack had a last year but fortunately no-one was hurt.
Japan often has land Siberia often has snow .
When people are they sometimes have to sleep on the streets.