Many people like to keep a kind of annimal as a pet ,such as dogs,cats,birds,and so on .They put so great enthusiasm on them that some pets are treated like their family members.
A good relationship between people and pets can be very comfortable.They are loyal audiences of you ,while you have something cant tell any one else.They occuppy the loneliness ,cure your pains,make anxious hearts return to peace and innocence ,some pets even can help to cure some mental disease.Thats the advantages of keeping an pet.
However ,pets are often expensive,to feed them would even cost more .Too much money spend on pets are more or less a little improper while there are so many starving people in this nation.
Some dangerous pets are a menace to their owners ,even a dog attack people sometimes,things could be worse if they carrying some fatal virus.Thats the disadvantages of keeping a pet.
[名词]名词的格
[代词]few, little, a few, a little
[代词]相互代词
[冠词和数词]数词
[形容词和副词]用形容词表示类别和整体
[冠词和数词]冠词与形容词+名词结构
[特殊词精讲]remember doing/to do
[名词]不同国籍人的单复数
[动词]助动词should, would的用法
[代词]并列人称代词的排列顺序
[冠词和数词]定冠词的用法
[代词]疑问代词
[代词]代词的指代问题
[形容词和副词]比较级形容词或副词 + than
[动词]助动词shall和will的用法
[代词]双重所有格
兼有两种形式的副词
[形容词和副词]many, old 和 far
[形容词和副词]多个形容词修饰名词的顺序
[代词]one/another/the other
[代词]指示代词
[形容词和副词]和more有关的词组
many,old 和 far
[动词]助动词do 的用法
可修饰比较级的词
[代词]many, much
[特殊词精讲]try doing/to do
[名词]名词复数的规则变化
[名词]定语名词的复数
[代词anyone/any one;no one/none;every/each
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