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71、My brother always a           with me.We can't get on well.

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When you laugh,you'll open your mouth and show your teeth.The   41   your teeth are, the happier you look  42   is that?

It's because your teeth are import   43   many ways.If you take care of them, they can also help to  44   you.Strong, healthy teeth help you eat the right food and help you grow  __45  .They also help you speak clearly.

You can take care of your teeth by doing like these:

● Brush your teeth  46   a day-after breakfast and before bedtime

● Brush all of your teeth,not just the front ones.  47   some time on the teeth along the sides and in the back.

● Take your time while brushing.Spend  48   3 minutes each time.

● Be sure your toothbrush is soft (软的).Ask your parents  49   a new toothbrush every three months for you

● Care about what you eat and drink.Eat more fruits and vegetables and less junk food.Drink more   50   and less drinks.

41.A.healthy           B.healthier         C.healthiest         D.unhealthy

42.A.What           B.Where          C.Why             D.When

43.A.on             B.for             C.with                D.in

44.A.look after         B.look for         C.look up          D.look at

45.A.early            B.easily           C.happily           D.quickly

46.A.two            B.twice           C.one             D.once

47.A.Spend           B.Take            C.Cost            D.Pay

45.A.1ess than         B.more than        C.less             D.more

49.A.buy            B.buying          C.to buy          D.bought

50.A.tea             B.apple juice   C.coffee          D.water

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40.The two girls were         at the         news.

A.amazing;amazing                   B.amazed;amazed

C.amazing;amazed                    D.amazed;amazing

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39.         100 years          will the world be like?

A.After, What       B.Before,how      C.In,What         D.On,how

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38.On weekend, you'll         yourselves move casually.

A.be able to dress       B.can wear         C.be able to wear   D.can dress

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37.--I'm sorry I     my homework at home.

--But don't forget       it here tomorrow.

A.forgot, to bring   B.left, to bring      C.forgot,bringing    D.left, bringing

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