their

Many people _______ their income.

How close parents are to their children　　　　a strong influence on the development of the children's character.

Some of the students in this class seem ______ to help those who have difficulties in their studies.

The real trouble ____ their lack of confidence in their abilities

____time, he understood why their parents got divorced

Businessmen spend enormous amounts __________ their products

It’s ________ difficult for young people to imagine how their grandparents managed to live without internet decades ago.

Parents of young children have to learn something about ______ in case their children get hurt.

Jean and Paul have _____ out with each other over the education of their children

All the team members tried their best. We lost the game, _______.