(2016•昆明)Each couple in China can have two_____from January 1st,2016( ) A.boy B.girl C.children D.child 2.(2016•重庆)It's sports time.Most ________ students in Class 1are playing football on the playground.( ) A.boy B.boys C.boy's D.boys' 3.(2016•绥化)Our school has fifty-six teachers.( ) A.woman B.women C.woman's 4.(2016•宜宾)Yibin is one of the most beautiful ____in Sichuan.( ) A.city B.cities C.citys 5.(2016•南宁)These _______ in beautiful dresses will have a party this evening.( ) A.man B.men C.woman D.women