How often have you worked abroad?改错

How often have you been in Greener China?__________ 改错 How many times have you()abroad?Twice How many times have you()abroad? Twice 13.- How long have you worked here? how often do you go swim?改错 1,How long have you worked as a teacher?2,I have worked as a How many years have you worked here?____ten years ago. How often do you have your hair___? how often have you gone horseback riding? --How often do you have history lessons? How often do you have sports 英翻汉 how mang football do you have 改错