X. Complete each sentence with a suitable preposition. 1. Today we’re going to learn _________ customs and traditions. 2. The tradition has been passed _________ from father to son for generations. 3. They still follow the custom _________ pinning moneyto the bride’s dress. 4. Vietnamese women often wear ao dai _________ special occasions. 5. We decided to break _________ tradition and have fish for Thanksgiving dinner. 6. They take their shoes _________ when entering the house to avoid getting the floor dirty. 7. According to tradition, we have fireworks _________ New Year’s Eve. 8. It is the custom in that country _________ women to marry young. 9. We often talk about our day at school or work _________ the dinner table. 10. Gifts should be wrapped _________ colourful paper.