Read the passage and answer the following questions Headaches in children are common and

Đáp án: Five ones, (illness and infection, head trauma, emotional factors, genetic predisposition and certain foods and beverages)
Dịch nghĩa câu hỏi: Có bao nhiêu yếu tố khiến trẻ em đau đầu?
Giải thích: Thông tin nằm ở câu: “A number of factors can cause your child to develop headaches including illness and infection, head trauma, emotional factors, genetic predisposition and certain foods and beverages”.