题目内容
10.16.Why are strong and healthy teeth important?A.Because they can help you grow and speak clearly.
B.Because they can help you feel confident.
C.Because they can help you enjoy delicious food.
17.How often should you brush your teeth?
A.Three times a day.
B.Twice a day.
C.Once a day.
18.What toothbrush is best for you?
A.Soft.
B.Plastic.
C.Hard.
19.What had you better have more to keep teeth healthy?
A.Juice.
B.Ice cream.
C.Water.
20.How many suggestions are mentioned from the passage?
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