Mark and Betty are brother and sister. They love to play on the1. They think it's very2to play there. They go to the beach by3every weekend. They live far away from the beach, so their father usually4about two hours driving them there.
Last Sunday their father was very5and couldn't send them to the beach. Mark and Betty6very bored at home. They thought they must solve (解决) the7quickly.
Then Mark came up with an idea and said to his father, "I have a good8, Dad. We can live near the beach. Then Betty and I can go there every day, and you don't need to drive us there."
His father looked at him up and down and smiled, "Sounds really good. But the houses near the beach are very9. I must work hard to buy a10. Then you can go to the beach every day."
