Find, underline a mistake in each sentence and correct it. Lots of Vietnamese people have the custom to buy sugar cane on New Year's Eve

Find, underline a mistake in each sentence and correct it.
1. Lots of Vietnamese people have the custom to buy sugar cane on New Year's Eve .……………
2. Because he was old, he tried to climb up Yen Tu Mountain. ……………….
3. We broke with tradition by travel to Ha Long Bay last year. ……………….
4. In Great Britain. You don’t have to drive on the right. It’s a rule. ……………….
5. In my family, all the traditions of our ancestors are strictly performed. ……………….