请用适当的词完成下面短文，并把所缺单词填写在指定的位置上。每个空只能填写一个形式正确、意义相符的单词。There are lots of {#blank#}1{#/blank#} for keep a pet dog. First, dogs are really cute and it's wonderful for owners to see them growing up quickly and {#blank#}2{#/blank#} friends with them. {#blank#}3{#/blank#}, we can develop our sense of duty by keeping dogs. We have to feed them, train them and play with them, {#blank#}4{#/blank#} all these help us become more responsible people.
On the {#blank#}5{#/blank#} hand, some people have pointed out problems with keeping a pet dog. Pet dogs create mess. {#blank#}6{#/blank#} leave fur and hair on the floor, on beds and on sofas, and they need to be washed often. Dogs are noisy. A few dogs bark at night. This {#blank#}7{#/blank#}people from getting any sleeping. Not all dogs are friendly. {#blank#}8{#/blank#} small number of dogs even hurt people. What's more, many dog owners live in flats. They have no choice but to keep their dogs in small spaces. {#blank#}9{#/blank#}, dogs need fresh air and open spaces to run free. Finally, owning dogs can be {#blank#}10{#/blank#}. You must pay much for dog food and visiting the animal doctor.
