Here are the correct answers for each blank in the sentences:

6. People often want to bring **B. a** happiness and luck for themselves and their families.

7. Technology has improved our lifestyles and has provided us with opportunities to enjoy **A. freedom** time.

8. Our club members **C. collected** waste paper for the recycling program last week.

9. They are rarely **B. in** home at lunchtime.

10. No one else in the class plays the guitar **D. as well as** Mark.

Feel free to ask if you need any further assistance!