how many days do you think they will need in shanghai?

how many days do you think they will need in shanghai? How many days do you need to exercise in a year? How many ____(musician) do you need in your band? How long will you stay in Shanghai?( ) about three days.A.In many days and you think i do How many guesses do you need? How many seconds do you need? How long will you stay in Shanghai? How many countries will be participated in the Shanghai Expo How many days do you have lessons in a week? 意思是 How many days do you have lessons in a week? 汉语意思是? 1.do you think this will __much confusion2.in those days,the