1.because of the lacking of the nutrition,those children who born in the poor families are easy to get sick.
2.as the science are developing fast, the agriculture is taking its new scenry, Vegetables are grown in the water instead of in the soil.
3. he should have been successful,but he is so hard towards others' opinions, so he ended without winning.
4.as a result of the fully preparation, she got that job easily.
5.the students are conidering about making a study plan
6. the boy is used to giving speeches in the public