2✩✩ Complete the sentences with the appropriate life stage words.

1. Many young adults still live with their parents because they can't buy a house.
2. When you're two years old, you're a toddler.
3. Everyone in the family is very happy when a baby arrives.
4. When you're a senior citizen, you usually don't work and you often have grandchildren.
5. Middle-aged people aren't young but they aren't old, either.
6. When you're a teenager, it's often a difficult time. You aren't a child, but you aren't an adult either.