(exercise big   get   when  child  size　inside   clear  arrive outside  what   make)
　　Dogs are very good pets.They are very friendly to people and very beautiful,too.Most dogs get on well with_6_and their parents.Others are good watchdogs because they cry loudly when a strange person_7_

　　When you buy a dog,an important thing to think about is its_8_--buy a small dog if your home is small and a _9_one if your is larger.Many people don't know -10_to feed their dogs.Dogs eat almost anything!They like meat,rice and lots of other things.You can buy lots of food which is _11_for dogs in shops.Don't let your dog eat too much.Always leave some _12_water for your dog.It can _13_thirsty very quickly,especially in summer.

　　Remember that dogs need _14_.You should take it for a walk every day.Don't keep your dog _15_all day.  

1. Exercise makes your body h      and s         .

2. For strong m      , you need exercise.

3. Sixty m       make an hour.

4. I'm going to w       more sports on TV.

5. You should do more s       for exercise.