how klios of many pear would Tom like ( 连词成句)?

how klios of many pear would Tom like ( 连词成句)? Of 42 students in a class,30 of them like PE,20 like Art.How many of them like the both subjects at least?How many of them like the both subjects at most? 翻译How many of them are boys? how many kinds of pollution are there? How many bags of milk would you How many of them are languages? how many kinds of poputions are there? How many of them are piaying是什么意思? How many types of masturbation are there? How many member of your family? How many kind of animals in africa? how many bottles of water are here? 选择__________meat can you see?A How many B How many bag of C How many bags of how many pe （ ）do you have a week?A,lessons B,lesson C,lesson’s how many kind of food?还是how many kinds of food? 是how many box of tomatoes are over there?还是how many boxes of tomatoes? -------your classmates like reading books.(How many ,How many of) how many 直接接名词,这里是否选how many of ? 第一课的句子.biology chemistry english japanese geographyrussian history IT chinese mathematicsphysics PE(physical eduction)1、how many of the subjects are science subjects?如何回答?根据上面单词回答