vI. Mark the letter A, B, C or D to indicate the correct answer: 1. Lack of parental education is __________ for children’s poor behavior at school. A. contribute B. responsible C. leading D. trigger 2. Smoking is the ________ of quite a few diseases, including breathing problems, lung cancer… A. culprit B. contributor C. trigger D. conducive 3. Watching violent movies __________ to the aggressive behavior of children. A. triggers B. results C. brings D. contributes 4. Deforestation: phá rừng is __________ to the global warming. A. cause B. reason C. conducive D. trigger 5. Poverty and ignorance resulted _________ illiterate A. on B. in C. from D. about 6. Overusing pesticides and fertilizer brings _________ water pollution, which is harmful to human’s health. A. to B. in B. with D. about 7. Organizing international sports events _________ national budget. A. leads to B. triggers C. contributes to D. causes 8. Tourism growth results ________ local poor environmental condition. A. in B. on C. about D. of