In Russia the _____ of the school year is about thirty-six weeks. How long is it in your country?
length
20
The average class _____ in Spain is twenty-two students, whereas in the USA it's eighteen and in Japan it's thirty-five! What's the average in your school?
size
15
The average ____ for teenage boys in the UK (twelve-thirteen years old) is from 1.47 metres to 1.57 metres. For girls, it's 1.52 metres to 1.60 metres. How tall are you?
height
15
In Northern Ireland , all children must start school at the ____ of four. In Poland, they don't have to start until they're six. When did you first go to school?
