Last Sunday morning, Kitty and Ben were in the park. They flew the kite happily. At first, the wind blew gently. The leaves moved slightly. The clouds moved slowly. Suddenly(突然), the wind became strong. The clouds moved quickly. The strong wind blew their kite away. Kitty and Ben went home at once.
Kitty and Ben watched TV at home. The wind became a typhoon and blew fiercely(猛烈地). Trees fell down. Ships and boats sank (下沉) in the sea.
The typhoon passed quickly. Kitty and Ben walked carefully in the street. They saw some street cleaners cleaning the street.
根据短文内容，判断下列句子正误
