How many are they?这句话对吗?

How many are they?这句话对吗? How many people are there in your family?Who are they?这句怎么回答? how many 可以后加is 就是How many is it?这句话对吗?还是应How many are they? How many letter are they in english? How lovely!They are many birds.They are( )happily.. How nuch is/are it/they 为什么不用how many? How much/How many are they?Three pages. How many days are there in Jnly?怎嘛答 They are ? 连词成句 they,are,much,how How old are they?同义句转换 how many catenas VL do have Whar are they How many students are there in your class?这句中的are there 为什么要加? ( ) are these?They are ten stars A How many B What C How much Many of life's failures are people who did not realize how close they were to success when they gave up.how close是不是倒装句与强调句,语序是不是they were close to success 改同义句How many rooms are there in the house?How many rooms____the house____? How many workers are there in your factory?的同意句How many workers________your factory _________? How many apples are there in the basket同义句.How many apples the basket How many socks are there in three pairs?这句英文句子怎么回答