Mr. Sam was a good (1) **and** hardworking man, (2) **but** he liked to gamble. One day, he dreamt about good luck, (3) **so** he bought twenty lottery tickets. He thought to himself, "I shall be very rich (4) **if** one of the tickets wins the first prize." (5) **After** buying the tickets, he rushed home to tell his wife. His wife became angry (6) **because** he had wasted so much money. She told him to sell the tickets to his friends (7) **or** to anyone who would buy them. Mr. Sam reluctantly sold all his tickets to his cousin one day (8) **before** the draw. The following day, both Mr. Sam (9) **and** his wife were surprised to learn that his cousin had become a millionaire (10) **because** one of the tickets had the winning combination!

**Giải thích**:
1. "and": connects two positive traits.
2. "but": introduces a contrasting idea.
3. "so": indicates a consequence of the dream.
4. "if": introduces a condition for becoming rich.
5. "After": indicates the order of events (buying tickets before telling his wife).
6. "because": gives the reason for her anger.
7. "or": presents an alternative for selling the tickets.
8. "before": indicates the timing of selling the tickets related to the draw.
9. "and": connects the surprise of both individuals.
10. "because": explains the reason for their surprise (the winning ticket).