: Hành vi nào thể hiện lối sống không giản dị?

A. Lời nói ngắn gọn dễ hiểu

B. Diễn đạt dài dòng.

C. Tổ chức sinh nhật gọn nhẹ, tiết kiệm.

D.Giản dị là đạo đức của con người.

after for twice shouldn’t healthy

It is very important to have (1) __________ teeth. Good teeth help us to chew our food, They also help us to look nice. How can we keep our teeth healthy? First, we have to go to a dentist (2) _________ a year. Second, we should brush our teeth at least twice a day – once (3) ________ breakfast and once before we go to bed. Second, we should eat food that is good (4) ________ our teeth and our body : milk, fish, raw vegetables and fresh food, Chocolates, sweets and biscuits are bad especially when we eat them between meals. And last, we (5) _________ use an old toothbrush.