Here are the correct answers based on the context provided:

1. **A. wouldn't** - "In those days, many people wouldn’t travel as frequently as they do today."
2. **B. house husband** - "After losing his job, Thomas became a house husband and took care of the children."
3. **B. Extended** - "Extended families with two working parents and one or two children are now common."
4. **D. housewives** - "During the war, women became housewives while their husbands fought on the front lines."
5. **C. Make sure** - "In my English class, the teacher encourages us to make sure our notes after each lesson to review the material."
6. **D. go for** - "I am thankful for the support and encouragement of my family and friends."

If you need further assistance, feel free to ask!