B fast sky blue

例句：

1. 1. The car drove fastthrough the city.
   汽车快速穿过城市。
2. 2. Sheran fast to catch up with her friends.
   她跑得很快，想赶上朋友。
3. 3.The fast food restaurant serves delicious burgersand fries.
   这家快餐店提供美味的汉堡和薯条。