Read the passage and fill in the blanks. 阅读短文，填空。

It is fine today. The sun is shining. Mr. Smith and his family are walking in the park. Mr. Smith and his wife are looking at some flowers. Tom is watching the planes in the sky. Mary is walking beside his father and mother. She is looking at the boats on the lake. There are many people in the park. Some of them are swimming. Some of them are boating. Some children are playing games and some women are talking.