How many (s ) sang at the concert?按首字母填空我感觉是singers,是么

How many people sarah's mother ask how many s( )sang at the conecert how many how many, How many people are there in Tom’s family? how many times a week?time为什么要加s? How many people are there in Amy,s family? 翻译 how many people aer there in linda s family How many people are there in Linda撇s family how many后面的可数名词要加s吗 how many后面的可数名词要加s吗 how many bones are there in a person's neck How many people are there in Li Ming's How many official languages are spoken in s------? how many children are there in Bill's How-----(many) is it?---it'i s two yuan How many people are there in ann's ___beef would you like?A.how much B.how many C.what's D.where's