We need calories or energy to do the things every day. For example, when we walk…
We need calories or energy to do the things every day. For example, when we walk… We need calories or energy to do the things every day. For example, when we walk to school or (1) ………………..a bike to school we spend a certain amount of (2)………….and even when we sleep, we also use them. … Đọc tiếp