句子转换1、The boys are in the dassroom.（对in the dassroom进行提问）_______________ the boys?2、What's this?（变为复数问句）_______________?3、There are three girls.(对three进行提问）___________________?请分别说出为什么要这样填
问题描述：
句子转换
1、The boys are in the dassroom.（对in the dassroom进行提问）
_______________ the boys?
2、What's this?（变为复数问句）
_______________?
3、There are three girls.(对three进行提问）
___________________?
请分别说出为什么要这样填
答
1 where is
2 what aer these
3 how many girls are there
答
1 Where are
2 What are these
3 How many girls are there
答
1.Where are Where对地点提问
2.What are these ? this的复数形式用these ，再把is换成are
3.How many girls are there ? 对数目多少个提问用How many
答
Where are
What are these？
How many girls are there？
答
Where are the boys?in the classroom是地点,所以用地点状语where提问
What are these?this复数对应these,相应的be动词复数形式为are
How many girls are there?提问数量用how many,所修饰词紧跟其后