单项选择题A．customer and estate agent.B．customer and travel agent.C．customer and shop assistant.D．customer and lawyer.

单项选择题A．few things.B．not many things.C．plenty of choice.D．nothing in his size.

单项选择题A．measles, HIV, hepatitis.B．diabetes, hypertension, HIV.C．hepatitis, syphilis, diabetes.D．HIV, hepatitis, syphilis.

单项选择题A．3 bags.B．10 bags.C．they don’t have any bags.D．5 bags.

单项选择题A．teen pregnancy and difficulty in school.B．low self esteem and poor nutrition.C．difficulty in school and physical abuse.D．illiteracy and teen pregnancy.