How many of them are piaying是什么意思?

翻译How many of them are boys? How many of them are languages? How many of them are piaying是什么意思? How many of them are languages?怎么翻译 Many of them are family how many of them are absent?请问这句话对不对,我这觉得是 How many people of them are absent? 【英语翻译】how many of the four students like friends who are like them? 汉译英：他们中有多少人?how many people among them how many people of them 汉译英：他们中有多少人？整句怎么翻译？How many people among them are there? Fiften children are playing hide-and-seek.If only five of them are found ,how many children haven'tbeen found? 现在正在自学英语,出现了个不懂的问题,问：how many of them are english classes?答：of them twelve are english classes.提问：为什么是of them twelve,而不是twelve of them? how many kinds of pollution are there? how many kinds of poputions are there? How many types of masturbation are there? how many bottles of water are here? 麻烦用英文概述一下,2、How many quality attributes are introduced?Please list them,and choose one of them to describe its scenario and tactic. There are six lights in the classroom All of them are turned on If I turned off two then how many lights are there in the classroom yet ? So many skateboards!_________ of them are dear. 英语翻译of every 30 telephone calls that colin makes,7 are STD calls.if he made 360 calls,how many of them were STD calls?