Excuse me,sir.Is there a men,s room in the supermarket?

Excuse me,sir.Is there a men,s room in the supermarket? Excuse me,sir.This is a non- smoking room.Oh,sorry.I（ ）the s excuse me where is the men's room这里为什么用is men不是负数吗? ( ) 3 Excuse me,where is the___?A.men's room B.mens' room C. Is there the -----room in the supermaket?a.man's b.men's应选? Excuse me sir,where is Room 301? Excuse me .Is there a bank in the _____ _____? Excuse me ,where is the l__ room it's over there —Excuse me,sir.This is a non-smoking room.—Oh,sorry.I_____th 大虾啊 -Excuse me sir.This is a non-smoking room.-Oh,sorry.I __ - Excuse me ,sir.Here is a package for Lin Tao.which room do [-A73] -Excuse me sir,where is room 30?-Just a minute .I'll