71.   Tree transform carbon into oxygen , which is well good to our atmosphere.

72.   In my opinion, it is good for us to shopping on the Internet.

73.   Now, my new dream is getting high marks in study which is good to making medicines.

74.   Because I love them, I believe that they love me, I am like a word ' others' good to me, I will be good to others.

75.   I think I study there is good for me to kennedy estabkished the correct values.

76.   Exercise is good to our body, so , if you want to keep healthy , you should do exercise regularly.

77.   My opinion is that going abroad to study is good for children to a certain extent, but still have some bad impacts on the children.

78.   Depending on medicine is not good to your body for a long time.

79.   So I stick to my opinion that it's good to study abroad.

80.   I am a polite boy , I do not have any speaks with others , but if I think somebody is good to made friends, I will have a lot of good point to talk with them .