"Mary, turn off the water_________you are brushing your teeth. "  "Sorry, I'll do it at once. "
A. until          B. while          C. during

Everyone wants to have healthy teeth. When you laugh, you will 1    your mouth and show your teeth. The healthier your teeth are, the happier you feel. Why is that?
It's    2  your teeth are important in many ways. Take care of them, and they'll help to take care of you. Strong,    3   teeth help you grow. They also help you speak clearly. You can take pate of your teeth by doing like these:
Brush your teeth     4    a day, after getting up and before bedtime. And you brush all of your teeth, not just the front ones. Spend some time     5    the teeth along the sides and in the back. Take your time while brushing. Spend at    6    three minutes each time you brush. Be sure your toothbrush is soft. Ask your parents to help you get a new toothbrush     7  three months. Clean between your teeth with dental floss(牙线).I t feels strange when you do it at first, but soon you'll get used to     8    it. Brushing    9   your teeth healthy. You also need to care about what you eat and drink. Eat   10    fruits and vegetables and drink water instead of drinks.
Do you want to have white and healthy teeth? Please brush your teeth!

根据句子意思，用括号中所给的汉语提示或英语单词的适当形式填空。（每空一词）

1.I like to go on ____ (野餐) with my family.

2.We have shows about ________ (不同的) festivals around the world. It’s interesting.

3.I want to buy 2 kilos of _______(芒果).

4.Why not ___________(点菜) a hamburger at KFC.

5.Beef can give players enough energy for _____ （踢）football.

6.They knock on their _________ doors and shout ‘trick or treat’. ( neighbour )

7.I like Spring Festival （good）because I can get red packets from my parents.

8.Mo Yan is the ____(one) Chinese writer to win the Nobel Prize in Literature.（诺贝尔文学奖)

9.－Are you interested in the horse-riding dance(骑马舞)－Gangnam Style？

－Yes, it’s __________ (real) interesting.

10.Brushing our teeth ________ (two) a day is good for us.