阅读理解，并根据内容选择正确答案。
It's Sunday today. Mr. Black and his family are walking in the park. Mr. Black and Mrs. Black are looking at
some boats in the lake. Tom is looking at the plane in the sky. Tom's sister is walking behind their parents. She's
looking at the boats in the lake, too.
1. Who are in the park?[ ]
A. Tom.
B. Mary.
C. Mr. Black.
D. Tom's family.
2. How many people are there in his family? [ ]
A. Two.
B. Three.
C. Four.
D. Five.
3. What are Mr. and Mrs. Black doing?[ ]
A. They're looking at some flowers.
B. They're looking at some boats.
C. They're sitting in a boat.
D. They're talking.
4. What is Tom doing? [ ]
A. He's looking at the plane.
B. He's making a plane.
C. He's running.
D. He's swimming.
5. What's Tom's sister doing? [ ]
A. She's singing.
B. She's looking at the trees.
C. She's looking at the boats.
D. She's playing games.
6. What day is it today?[ ]
A. Today is Sunday.
B. It's Sunday.
C. It's Saturday today.
D. Today is Saturday.