Keeping our teeth healthy Many people nowadays ________(1) wear false teeth when they are middle-aged. Doctors and dentists now __________(2) that sug
Keeping our teeth healthy
Many people nowadays ________(1) wear false teeth when they are middle-aged. Doctors and dentists now __________(2) that sugar is the chief cause of ___________(3) decay. Long ago doctors __________(4) not like to treat people’s teeth. Babers and blacksmiths looks _________(5) people’steeth and pulled them ________(6) when they decayed. Some people thought toothache was a punishment from the gods.
It is very important to have ________(7) teeth. Good teeth help us to chew our food. They also help us to look nice. How can we keep our teeth healthy? – First, visit our dentist at least twice a year. He can examine our teeth to check that they are good or _________(8) or are growing in the right way. Secondly, brush our teeth with fluoride toothpaste ____________(9) meals and before bedtime. We can also use wooden toothpicks to clean between our teeth after a meal. Thirdly, we should eat food that is good _________(10) our teeth and body: milk, cheese, fish, brown bread, potatoes red rice, raw vegetables and fresh fruit.
A. has to
B. have to
C. having to
D. had to
in progress 0Tiếng Anh 2 tuần 2021-07-12T10:19:15+00:00 2021-07-12T10:19:15+00:00 2 Answers 3 views 0