- It's one of the things in the world to stay with friends.
- I agree. It always makes us relaxed.
A:worst
B:happiest
C:busiest
D:hardest
—She's reading a book. And she's ____(interest) in reading.
走在秋天,____;走在秋天,____。秋风在____,秋风在____;秋风抓一把____,把夏天的脚印儿____……
食物的营养成分包括水、无机盐、维生素、糖类、蛋白质和脂肪,其中能为人体生命活动提供能量的有____、____和____。