1. Use the knowledge of your (older/elder) sister. 2. The (older/ elder) a child is
the bigger problems he has. 3. If you are the (oldest/eldest) son in the family
you have to take responsibility of the youngsters. 4. When his son becomes
(older/elder), he will go to school. 5. I know his (older/elder) brother, he is a
nice fellow. 6. Are they really (older/ elder) than your children? 7. Harry got
married being much (older/ elder) than you are now. 8. I think she looks (older/
elder) her age.