جميع الشعب - درس طرح السؤال على الكلمة المُسطرة

Correction a- What is the headmaster determined to in his school? b- Where do some students throw cigarette ends? c- Who point out that some kinds of work may be completely harmless? d- Where is one child in three at work? e- Why do people become obese? f- What can a low intake of vitamins cause? GOOD LUCK !