1.Bad habits can_lead to disease._____.(导致疾病）
2.Waliking is good exercise and it is_necessary______(必要的）for good health.
3.We are germs, we can get into the human body__by____（通过）the nose.
希望能够帮到楼主
1.Bad habits can_lead to disease._____.(导致疾病）
2.Waliking is good exercise and it is_necessary______(必要的）for good health.
3.We are germs, we can get into the human body__by____（通过）the nose.
希望能够帮到楼主