43.A primary school in Shanxi become famous.Every morning,on the playground the headmaster Mr.Zhang with about seven hundred pupils dance "Shuffle Dance"(曳步舞)--a kind of new dance. Mr.Zhang thought it could help kids stay away from cell phones.They spent thirty minutes on the new dance.They stop doing the usual broadcast callisthenics(廣播體操) program because the students aren't interested in doing the broadcast callisthenics. "This is the coolest headmaster!I wish he could teach me."someone said.
(1)How many pupils are there in the primary school?(根據短文內容回答問題)
(2)How long does it take the students to do Shuffle Dance?(根據短文內容回答問題)
(3)What do students in the school think of broadcast callisthenics ?(根據短文內容回答問題)
(4)In the passage the underline word "it" report to